Circuit integrated radio frequency signal detection box

Abstract

The utility model provides a circuit integrated radio frequency signal detection box, which comprises a box body and a circuit board fixed in the box body, the circuit board is transversely arranged in the box body to divide the interior of the box body into an upper space and a lower space; the circuit board comprises a first circuit area and a second circuit area; the first line area is provided with a radio frequency channel circuit for inputting and outputting a radio frequency signal; the second line area is provided with a detection circuit used for detecting the phase and the amplitude of an input radio frequency signal. An upper partition plate is arranged in the upper space of the box body to divide the upper space into a first upper space and a second upper space; a lower partition plate is arranged in the lower space of the box body to divide the lower space into a first lower space and a second lower space. According to the utility model, the radio frequency channel circuit and the detection circuit are integrated on the circuit board, and the circuit board is separated by the upper clapboard and the lower clapboard, so that the working spaces are relatively independent and do not interfere with each other, the structure is compact, the layout is reasonable, the size is small, and the cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of line integrated radio frequency signal detection boxes. BACKGROUND

[0002] Radio frequency signal detection box is mainly used for detecting the phase and amplitude of radio frequency.The phase and amplitude detection in radio frequency detection are two important parameters, which reflect the phase change and amplitude change of signal respectively.Radio frequency signal detection box usually includes radio frequency channel circuit board and detection circuit board;Among them, radio frequency channel circuit board is used for input and output of radio frequency signal;Detection circuit board is used for detecting the phase and amplitude of input radio frequency signal.

[0003] The radio frequency channel circuit board and detection circuit board of existing radio frequency signal detection box are usually independently set, and fixed in independent space separation, and the line connection of two areas of terminal lead is realized by the wiring terminal lead of partition area, and the space required by this kind of setting is larger and wiring is complicated, and signal is unstable. SUMMARY

[0004] The utility model aims at providing a kind of line integrated radio frequency signal detection box, including box body and the line board fixed in box body;The line board is horizontally arranged in box body to separate the upper space and lower space in box body;The line board includes first line area and second line area;The first line area is provided with radio frequency channel circuit for input and output of radio frequency signal;The second line area is provided with detection circuit for detecting the phase and amplitude of input radio frequency signal;The upper space of the box body is provided with upper baffle to separate the first upper space and second upper space;The lower space of the box body is provided with lower baffle to separate the first lower space and second lower space;The front of the first line area is located in the first upper space, and the back of the first line area is located in the first lower space;The front of the second line area is located in the second upper space, and the back of the second line area is located in the second lower space;One side of the box body is provided with radio frequency input connector accessing the first upper space or the first lower space, and the other side of the box body is provided with radio frequency output connector accessing the first upper space or the first lower space;The first line area is electrically connected with radio frequency input connector and radio frequency output connector respectively.

[0005] The utility model integrates radio frequency channel circuit and detection circuit on a line board, without additional components for electrical connection;And line board is separated by upper baffle and lower baffle, so that radio frequency channel circuit of the first line area works in the first upper space and the first lower space, and detection circuit of the second line area works in the second upper space and the second lower space;That is, the working space of radio frequency channel circuit and detection circuit is relatively independent, and does not interfere with each other, compact structure, reasonable layout, reduce the volume of detection box, save cost. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 It is the structure schematic view of the utility model.

[0007] Figures 2-4 It is the structure schematic view of the different angle of the upper cover of the utility model hidden box body.

[0008] Figure 5 It is the structure schematic view of the lower cover of the utility model hidden box body.

[0009] Figure 6 It is the longitudinal section view of the utility model.

[0010] Figure 7 It is the structure exploded view of the utility model.

[0011] Figure 8 It is the structure schematic view of the circuit board of the utility model.

[0012] Figure 9 It is the structure schematic view of the upper baffle of the utility model.

[0013] Figure 10 It is the structure schematic view of the lower baffle of the utility model. DETAILED DESCRIPTION

[0014] The application scheme is further described as follows by combining with the drawings:

[0015] Referring to the accompanying Figures 1-10 A circuit integrated radio frequency signal detection box, comprising a box body 1 and a circuit board 2 fixed in the box body 1, wherein the circuit board 2 is horizontally arranged in the box body 1 to divide the box body 1 into an upper space and a lower space.

[0016] The circuit board 2 comprises a first circuit area 21 and a second circuit area 22, wherein the first circuit area 21 is provided with a radio frequency channel circuit for inputting and outputting radio frequency signals, and the second circuit area 22 is provided with a detection circuit for detecting the phase and amplitude of the input radio frequency signals.

[0017] The upper space of the box body 1 is provided with an upper baffle 3 to divide the upper space into a first upper space 101 and a second upper space 102, and the lower space of the box body 1 is provided with a lower baffle 4 to divide the lower space into a first lower space 103 and a second lower space 104.

[0018] The front surface of the first circuit area 21 is located in the first upper space 101, and the back surface of the first circuit area 21 is located in the first lower space 103; the front surface of the second circuit area 22 is located in the second upper space 102, and the back surface of the second circuit area 22 is located in the second lower space 104.

[0019] The box 1 is provided with a radio frequency input connector 5 on one side for accessing the first upper space 101 or the first lower space 103, and is provided with a radio frequency output connector 6 on the other side for accessing the first upper space 101 or the first lower space 103; the first circuit area 21 is electrically connected with the radio frequency input connector 5 and the radio frequency output connector 6 respectively.

[0020] The radio frequency channel circuit and the detection circuit are integrated on the circuit board 2 without additional components for electrical connection; and the circuit board 2 is separated by the upper partition plate 3 and the lower partition plate 4, so that the radio frequency channel circuit of the first circuit area 21 works in the first upper space 101 and the first lower space 103, and the detection circuit of the second circuit area 22 works in the second upper space 102 and the second lower space 104; that is, the working spaces of the radio frequency channel circuit and the detection circuit are relatively independent and do not interfere with each other, the structure is compact, the layout is reasonable, the volume of the detection box is reduced, and the cost is saved.

[0021] The edge of the circuit board 2 is welded and fixed with the inner wall of the box 1; the two ends of the upper partition plate 3 and the lower partition plate 4 are welded and fixed with the inner wall of the box 1 respectively; the lower side of the upper partition plate 3 and the upper side of the lower partition plate 4 abut against and are welded and fixed with the circuit board 2.

[0022] The connection positions of the circuit board 2, the upper partition plate 3, the lower partition plate 4 and the box 1 are welded, a relatively independent closed space is formed, and the components of the radio frequency channel circuit and the detection circuit do not interfere with each other and can work stably.

[0023] The circuit board 2 is provided with a connecting circuit for connecting the radio frequency channel circuit and the detection circuit across the first circuit area 21 and the second circuit area 22, the connecting circuit is a copper wire printed on the circuit board (not shown in the figure), and the lower side of the upper partition plate 3 or the upper side of the lower partition plate 4 is provided with an avoidance gap 32 for the connecting circuit to pass through. In the embodiment, the avoidance gap 32 is arranged on the lower side of the upper partition plate 3, as shown in FIG. 2. Figure 2

[0024] The circuits of the first circuit area 21 and the second circuit area 22 are electrically connected by the copper wire printed on the circuit board 2 without additional connecting components, so as to improve the communication stability of the two circuit areas.

[0025] The two ends of the upper partition plate 3 and the lower partition plate 4 are respectively provided with positioning protrusions 31, 41, the box 1 is provided with positioning holes 15 corresponding to the positioning protrusions 31, 41, the positioning protrusions 31, 41 are inserted into the positioning holes 15, so as to facilitate the installation and alignment of the upper partition plate 3 and the lower partition plate 4, and the partition plates do not need additional clamps for fixing during welding, thereby reducing the production difficulty.

[0026] ​The box body 1 comprises a box body 11, an upper cover 12 and a lower cover 13; the box body 11 is a rectangular frame with four side plates enclosing the upper and lower ends open; in the embodiment, the box body 11 is spliced by two L-shaped plates. The upper cover 12 covers the port on the upper end of the box body 11 and is welded and fixed with the box body 11; the lower cover 13 covers the port on the lower end of the box body 11 and is welded and fixed with the box body 11, so that the inside of the box body 1 forms a relatively closed space, avoiding the interference of external environment on the components on the circuit board 2.

[0027] The second circuit area 22 is provided with a terminal (not shown in the figure) for outputting detection data, and the box body 11 is provided with a window 14 for the terminal to pass through the box body 1.

[0028] The first circuit area 21 is provided with a mounting hole 23 for communicating the first upper space 101 and the first lower space 103, and the mounting hole 23 is provided with an inductor 7, and the two ends of the inductor 7 are respectively electrically connected with the radio frequency input joint 5 and the radio frequency output joint 6. The inductor 7 provides sufficient space for the inductor coil in the first upper space 101 and the first lower space 103.

[0029] The above preferred embodiment should be regarded as an example of the embodiment of the application, and any technical deduction, replacement, improvement and the like similar to or based on the application should be regarded as the protection scope of the patent.

Claims

1. A line integrated radio frequency signal detection box, comprising a box body and a line board fixed in the box body; characterized in that: the line board is horizontally arranged in the box body to divide the box body into an upper space and a lower space; the line board comprises a first line area and a second line area; the first line area is provided with a radio frequency channel circuit for inputting and outputting radio frequency signals; the second line area is provided with a detection circuit for detecting the phase and amplitude of the input radio frequency signals; the upper space of the box body is provided with an upper partition plate to divide the upper space into a first upper space and a second upper space; the lower space of the box body is provided with a lower partition plate to divide the lower space into a first lower space and a second lower space; the front surface of the first line area is located in the first upper space, and the back surface of the first line area is located in the first lower space; the front surface of the second line area is located in the second upper space, and the back surface of the second line area is located in the second lower space; one side of the box body is provided with a radio frequency input connector connected to the first upper space or the first lower space, and the other side of the box body is provided with a radio frequency output connector connected to the first upper space or the first lower space; the first line area is electrically connected to the radio frequency input connector and the radio frequency output connector respectively.

2. The line integrated radio frequency signal detection box according to claim 1, characterized in that: the edge of the line board is welded and fixed to the inner wall of the box body; the two ends of the upper partition plate and the lower partition plate are respectively welded and fixed to the inner wall of the box body; the lower side of the upper partition plate and the upper side of the lower partition plate abut against and are welded and fixed to the line board.

3. The line integrated radio frequency signal detection box according to claim 2, characterized in that: the line board is provided with a connecting circuit which spans the first line area and the second line area to connect the radio frequency channel circuit and the detection circuit; the lower side of the upper partition plate or the upper side of the lower partition plate is provided with an avoidance gap for the connecting circuit to pass through.

4. The line integrated radio frequency signal detection box according to claim 2, characterized in that: the two ends of the upper partition plate and the lower partition plate are respectively provided with positioning protrusions, the box body is provided with positioning holes corresponding to the positioning protrusions, and the positioning protrusions are inserted into the positioning holes.

5. The line integrated radio frequency signal detection box according to any one of claims 1-4, characterized in that: the box body comprises a box body, an upper cover and a lower cover; the box body is a rectangular frame body with open upper and lower ends; the upper cover covers the port on the upper end of the box body and is welded and fixed to the box body; the lower cover covers the port on the lower end of the box body and is welded and fixed to the box body.

6. The line integrated radio frequency signal detection box according to claim 5, characterized in that: the second line area is provided with a terminal for outputting detection data, and the box body is provided with a window for the terminal to pass out of the box body.

7. The line integrated radio frequency signal detection box according to claim 1, characterized in that: the first line area is provided with a mounting hole which communicates the first upper space and the first lower space, and an inductor is mounted in the mounting hole; the two ends of the inductor are respectively electrically connected to the radio frequency input connector and the radio frequency output connector. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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