Extensible multi-channel array receiver

Abstract

An extensible multi-channel array receiver comprises a receiver body and is characterized in that the receiver body is of a layered structure and is sequentially provided with a basic module and N extension modules from bottom to top, and the N extension modules comprise at least one channel extension module and at least one frequency extension module. The base module and the extension modules are of a rectangular structure, mounting seats are arranged at the four vertex angles of the base module and the extension modules, mounting holes are formed in the mounting seats, the base module and all the extension modules are sequentially spliced together in an overlapped mode, the same mounting column penetrates through the mounting holes in the four corners and is fixed, and the layered structure is formed. The method has the advantages that the number of channels and the frequency coverage range can be expanded by adding new modules, and repeated input of hardware cost is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to receiver technical field especially relates to a kind of scalable multi-channel array receiver. BACKGROUND

[0002] With the rapid development of wireless communication and radar technology, the frequency spectrum range and technical scheme of electromagnetic wave used by human are rapidly expanded. Radio monitoring direction-finding equipment needs to follow the changes of application to match new monitoring and management requirements. Frequent replacement of basic equipment will bring a lot of consumption of manpower, material resources and financial resources. The construction and maintenance period of monitoring direction-finding site will be lengthened due to slow equipment replacement and long repair time, resulting in interruption of the work of monitoring direction-finding site.

[0003] The existing receiver has the following disadvantages: the signal frequency and channel are fixed, and it is difficult to freely expand the frequency and channel, which cannot meet the use requirements in multiple scenarios. UTILITY MODEL CONTENT

[0004] The scalable multi-channel array receiver can expand the number of channels and frequency coverage range by adding new modules, avoiding repeated investment in hardware costs.

[0005] To achieve the above purpose, the utility model provides a kind of scalable multi-channel array receiver, including receiver main body, and its key is: the receiver main body is layer structure, and there is basic module and N expansion modules from bottom to top, and N expansion modules include at least one channel expansion module and at least one frequency expansion module.

[0006] Through the above design, the radio monitoring direction-finding equipment can expand the number of channels and frequency coverage range by adding new modules when needed, avoiding repeated investment in hardware costs.

[0007] As preferred: the basic module and expansion module are rectangular structure, and mounting seat is arranged at four corners thereof, mounting hole is formed in the mounting seat, the basic module and all expansion modules are stacked together in sequence, the mounting hole of four corners is respectively penetrated by the same mounting column and fixed, to form the layer structure.

[0008] Each module is fixedly installed together by mounting column, facilitating the assembly and disassembly of module.

[0009] As preferred: the basic module is provided with basic module box body, upper mounting cavity is formed in the upper part of the basic module box body, first PCB board is installed in the upper mounting cavity, and the first PCB board is installed in the inner side of upper cover plate; lower mounting cavity is formed in the lower part of the basic module box body, second PCB board is installed in the lower mounting cavity, and the second PCB board is buckled through lower cover plate.

[0010] The base module box body, the upper cover plate and the lower cover plate can protect the internal circuit of the base module from being affected by external factors and thus affecting the function of the base module.

[0011] As a preferred embodiment, a power supply and a control signal feeding socket are mounted on the second PCB board; a socket slot is formed in the lower cover plate corresponding to the power supply and the control signal feeding socket; the power supply and the control signal feeding socket are located in the socket slot; a socket is formed in the side wall of the base module box body, and the power supply and the control signal feeding socket are opposite to the socket and tightly fit with each other.

[0012] At least one wideband local oscillator signal source is arranged on the first PCB board; a local oscillator signal feeding terminal group, a power supply and a control signal feeding socket are arranged on the first PCB board; a corresponding number of signal feeding holes are formed in the upper cover plate; the local oscillator signal feeding terminal group, the power supply and the control signal feeding socket respectively extend out of the corresponding signal feeding holes and are connected with the subsequent extension module.

[0013] The signal feeding / feeding terminal realizes the electrical connection between the base module and the external control and power supply module and the subsequent extension module.

[0014] As a preferred embodiment, the channel extension module is provided with a channel module box body, a first mounting slot is formed in the upper surface of the channel module box body, and a channel PCB board is mounted in the first mounting slot; the channel PCB board is mounted on the inner side of a channel module cover plate.

[0015] As a preferred embodiment, a local oscillator signal feeding terminal group and a power supply and control signal feeding pin are arranged on the lower surface of the channel PCB board; a plurality of first channel signal vias are formed in the bottom of the channel module box body; the local oscillator signal feeding terminal group and the power supply and control signal feeding pin respectively extend out of the corresponding first channel signal vias and are connected with the previous module.

[0016] The upper surface of the channel PCB board is provided with a medium frequency signal feeding terminal, a local oscillator signal feeding terminal group, a radio frequency input terminal, a medium frequency output terminal, a power supply and a control signal feeding socket.

[0017] A second channel signal via is formed in the channel module cover plate corresponding to the medium frequency signal feeding terminal, the local oscillator signal feeding terminal group and the power supply and control signal feeding socket; the medium frequency signal feeding terminal, the local oscillator signal feeding terminal group and the power supply and control signal feeding socket respectively extend out of the corresponding second channel signal vias and are connected with the subsequent module.

[0018] A third channel signal via is formed in the side wall of the channel module box body corresponding to the radio frequency input terminal and the medium frequency output terminal; the radio frequency input terminal and the medium frequency output terminal extend out of the third channel signal via.

[0019] The channel expansion module is provided with an intermediate frequency signal feed-in terminal for connecting the spread spectrum intermediate frequency signal of the frequency expansion module; the radio frequency input terminal is used for connecting a receiving antenna, and the intermediate frequency output terminal is used for connecting an external A / D acquisition device.

[0020] As preferred, the frequency expansion module is provided with a frequency module box body, a second mounting groove is formed on the upper surface of the frequency module box body, and a frequency PCB board is mounted in the second mounting groove.

[0021] As preferred, the lower surface of the frequency PCB board is provided with an intermediate frequency signal feed-out terminal, a local oscillator signal feed-in terminal group, a power supply and a control signal feed-in pin;

[0022] The frequency module box body is provided with a first frequency signal via hole in the bottom, and the intermediate frequency signal feed-out terminal, the local oscillator signal feed-in terminal group, the power supply and the control signal feed-in pin are respectively connected with the front-stage module after being extended out of the corresponding first frequency signal via hole;

[0023] The upper surface of the frequency PCB board is provided with a local oscillator signal feed-out terminal group, an intermediate frequency signal feed-in terminal, a power supply and a control signal feed-out socket and a radio frequency input terminal;

[0024] The frequency module cover plate is provided with a second frequency signal via hole corresponding to the local oscillator signal feed-out terminal group, the intermediate frequency signal feed-in terminal, the power supply and the control signal feed-out socket, and the local oscillator signal feed-out terminal group, the intermediate frequency signal feed-in terminal, the power supply and the control signal feed-out socket are respectively connected with the rear-stage module after being extended out of the corresponding second frequency signal via hole;

[0025] The frequency module box body is provided with a third frequency signal via hole, and the radio frequency input terminal is extended out of the third frequency signal via hole.

[0026] The frequency expansion module is provided with an intermediate frequency signal feed-in / feed-out terminal, the feed-out terminal is used for outputting the spread spectrum intermediate frequency signal to the channel module, and the feed-in terminal is used for connecting the spread spectrum intermediate frequency signal of other frequency expansion modules.

[0027] The radio frequency input terminal is used for connecting a spread spectrum receiving antenna.

[0028] The frequency expansion module is provided with an intermediate frequency signal feed-in / feed-out terminal, the feed-out terminal is used for outputting the spread spectrum intermediate frequency signal to the channel module, and the feed-in terminal is used for connecting the spread spectrum intermediate frequency signal of other frequency expansion modules. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a whole structure schematic view of the utility model in the embodiment;

[0030] Figure 2This is an exploded view of the basic module structure in the embodiment;

[0031] Figure 3 This is an exploded view of the channel expansion module structure in the embodiment;

[0032] Figure 4 This is an exploded view of the frequency extension module structure in the embodiment. Detailed Implementation

[0033] The present invention will be further described in detail below with reference to the accompanying drawings and specific examples. The following embodiments or drawings are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0034] like Figure 1 As shown: A scalable multi-channel array receiver includes a receiver body, which has a layered structure and is provided with a basic module and N expansion modules from bottom to top. The N expansion modules include at least one channel expansion module and at least one frequency expansion module.

[0035] The basic module and the expansion module are rectangular structures, with mounting bases at each of the four corners. The mounting bases have mounting holes. The basic module and all expansion modules are stacked together in sequence, and the mounting holes at the four corners are respectively penetrated and fixed by the same mounting post, forming the layered structure.

[0036] like Figure 2 As shown: The basic module is provided with a basic module box 1b. The upper part of the basic module box 1b has an upper mounting cavity, in which a first PCB board 2a is installed. The first PCB board 2a is installed inside the upper cover plate 1a. The lower part of the basic module box 1b has a lower mounting cavity, in which a second PCB board 2b is installed. The second PCB board 2b is fastened to the lower cover plate 1c.

[0037] The second PCB board 2b is equipped with a power and control signal feed socket 4; the lower cover plate 1c corresponding to the power and control signal feed socket 4 is provided with a socket groove, the power and control signal feed socket 4 is located in the socket groove, the side wall of the basic module box 1b is provided with an insertion port, the power and control signal feed socket 4 is opposite to the insertion port, and the two fit tightly together.

[0038] The first PCB board 2a is provided with at least one bandwidth local oscillator signal source. The first PCB board 2a is provided with local oscillator signal feedout terminal groups 1 and 3, and power and control signal feedout sockets 2. The upper cover plate 1a is provided with a corresponding number of signal feedout holes. The local oscillator signal feedout terminal groups 1 and 3, and the power and control signal feedout sockets 2 extend out of the corresponding signal feedout holes and are connected to the subsequent expansion module.

[0039] As Figure 3 shown: the channel expansion module is provided with a channel module box body 1f, the upper surface of the channel module box body 1f is provided with a first mounting groove, a channel PCB board 2d is mounted in the first mounting groove, and the channel PCB board 2d is mounted on the inner side of a channel module cover plate 1g.

[0040] The lower surface of the channel PCB board 2d is provided with a local oscillator signal feeding terminal group 16, 18 and a power supply and control signal feeding pin 22, the bottom of the channel module box body 1f is provided with a plurality of first channel signal vias, and the local oscillator signal feeding terminal group 16, 18 and the power supply and control signal feeding pin 22 are respectively connected with the front-stage module after extending out of the corresponding first channel signal via;

[0041] The upper surface of the channel PCB board 2d is provided with a medium frequency signal feeding terminal 14, a local oscillator signal feeding-out terminal group 15, 17, a radio frequency input terminal 19, a medium frequency output terminal 20, and a power supply and control signal feeding socket 21;

[0042] The channel module cover plate 1g is correspondingly provided with a second channel signal via, and the medium frequency signal feeding terminal 14, the local oscillator signal feeding-out terminal group 15, 17, and the power supply and control signal feeding socket 21 are respectively connected with the rear-stage module after extending out of the corresponding second channel signal via;

[0043] The side wall of the channel module box body 1f is correspondingly provided with a third channel signal via, and the radio frequency input terminal 19 and the medium frequency output terminal 20 extend out of the third channel signal via.

[0044] As Figure 4 shown: the frequency expansion module is provided with a frequency module box body 1d, the upper surface of the frequency module box body 1d is provided with a second mounting groove, a frequency PCB board 2c is mounted in the second mounting groove, and the frequency PCB board 2c is mounted on the inner side of a frequency module cover plate 1e.

[0045] The lower surface of the frequency PCB board 2c is provided with a medium frequency signal feeding-out terminal 6, a local oscillator signal feeding-in terminal group 8, 10, and a power supply and control signal feeding pin 13.

[0046] The bottom of the frequency module box body 1d is provided with a first frequency signal via, and the medium frequency signal feeding-out terminal 6, the local oscillator signal feeding-in terminal group 8, 10, and the power supply and control signal feeding pin 13 are respectively connected with the front-stage module after extending out of the corresponding first frequency signal via.

[0047] The upper surface of the frequency PCB board 2c is provided with a local oscillator signal feeding terminal group 7, 9, an intermediate frequency signal feeding terminal 5, a power supply and control signal feeding socket 12 and a radio frequency input terminal 11;

[0048] The frequency module cover plate 1e is correspondingly provided with a second frequency signal via hole, and the local oscillator signal feeding terminal group 7, 9, the intermediate frequency signal feeding terminal 5 and the power supply and control signal feeding socket 12 are respectively connected with the subsequent module after extending out of the corresponding second frequency signal via hole; the frequency module box body 1d is provided with a third frequency signal via hole, and the radio frequency input terminal 11 extends out of the third frequency signal via hole.

[0049] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A scalable multi-channel array receiver comprising a receiver body, characterized by: The receiver main body is a layered structure, sequentially provided from bottom to top with a base module and N extension modules, the N extension modules including at least one channel extension module and at least one frequency extension module.

2. An extensible multi-channel array receiver according to claim 1, characterized in that: The base module and the extension modules are rectangular structures, each provided at four corners with a mounting seat, the mounting seat being provided with a mounting hole, the base module and all the extension modules being sequentially stacked together, the mounting holes at the four corners being respectively penetrated by and fixed to the same mounting column, to form the layered structure.

3. An extensible multi-channel array receiver according to claim 1, characterized in that: The base module is provided with a base module box body (1b), the upper portion of the base module box body (1b) being provided with an upper mounting cavity, the first PCB board (2a) being mounted in the upper mounting cavity, the first PCB board (2a) being mounted on the inner side of the upper cover plate (1a); the lower portion of the base module box body (1b) being provided with a lower mounting cavity, the second PCB board (2b) being mounted in the lower mounting cavity, the second PCB board (2b) being buckled through the lower cover plate (1c).

4. An extensible multi-channel array receiver according to claim 3, characterized in that: The second PCB board (2b) is provided with a power supply and a control signal feeding socket (4); the lower cover plate (1c) corresponding to the power supply and the control signal feeding socket (4) is provided with a socket groove, the power supply and the control signal feeding socket (4) being located in the socket groove, the side wall of the base module box body (1b) being provided with a socket, the power supply and the control signal feeding socket (4) being opposite to the socket, the two being tightly fitted; The first PCB board (2a) is provided with at least one wideband local oscillator signal source, the first PCB board (2a) being provided with a local oscillator signal feeding terminal group (1, 3), a power supply and a control signal feeding socket (2), the upper cover plate (1a) being provided with a corresponding number of signal feeding holes, the local oscillator signal feeding terminal group (1, 3), the power supply and the control signal feeding socket (2) being respectively extended out of the corresponding signal feeding holes and connected with the rear extension module.

5. The scalable multi-channel array receiver of claim 1, wherein: The channel extension module is provided with a channel module box body (1f), the upper surface of the channel module box body (1f) being provided with a first mounting groove, the channel PCB board (2d) being mounted in the first mounting groove, the channel PCB board (2d) being mounted on the inner side of the channel module cover plate (1g).

6. An extensible multi-channel array receiver according to claim 5, characterized in that: The lower surface of the channel PCB board (2d) is provided with a local oscillator signal feeding terminal group (16, 18) and a power supply and control signal feeding pin (22), the bottom of the channel module box body (1f) being provided with a plurality of first channel signal vias, the local oscillator signal feeding terminal group (16, 18) and the power supply and control signal feeding pin (22) being respectively extended out of the corresponding first channel signal vias and connected with the front module; The upper surface of the channel PCB board (2d) is provided with an intermediate frequency signal feeding terminal (14), a local oscillator signal feeding terminal group (15, 17), a radio frequency input terminal (19), an intermediate frequency output terminal (20), a power supply and a control signal feeding socket (21). The channel module cover plate (1g) is provided with a second channel signal via hole corresponding, the intermediate frequency signal feed-in terminal (14), the local oscillator signal feed-out terminal group (15, 17), power and control signal feed-out socket (21) respectively extend corresponding second channel signal via hole and connect with the back module; The side wall of the channel module box body (1f) is provided with a third channel signal via hole corresponding, the radio frequency input terminal (19), intermediate frequency output terminal (20) extend the third channel signal via hole.

7. The scalable multi-channel array receiver of claim 1, wherein: The frequency expansion module is provided with a frequency module box body (1d), the upper surface of the frequency module box body (1d) is provided with a second installation slot, the second installation slot is provided with a frequency PCB board (2c), the frequency PCB board (2c) is installed in the inside of the frequency module cover plate (1e).

8. An extensible multi-channel array receiver according to claim 7, characterized in that: The lower surface of the frequency PCB board (2c) is provided with intermediate frequency signal feed-out terminal (6), local oscillator signal feed-in terminal group (8, 10), power and control signal feed-in pin (13); The bottom of the frequency module box body (1d) is provided with a first frequency signal via hole, the intermediate frequency signal feed-out terminal (6), local oscillator signal feed-in terminal group (8, 10), power and control signal feed-in pin (13) respectively extend corresponding first frequency signal via hole and connect with the front module; The upper surface of the frequency PCB board (2c) is provided with local oscillator signal feed-out terminal group (7, 9), intermediate frequency signal feed-in terminal (5), power and control signal feed-out socket (12), radio frequency input terminal (11); The frequency module cover plate (1e) is provided with a second frequency signal via hole corresponding, the local oscillator signal feed-out terminal group (7, 9), intermediate frequency signal feed-in terminal (5), power and control signal feed-out socket (12) respectively extend corresponding second frequency signal via hole and connect with the back module; The frequency module box body (1d) is provided with a third frequency signal via hole, the radio frequency input terminal (11) extend the third frequency signal via hole.

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