Radio frequency signal detection cartridge
By vertically connecting the RF channel circuit board and the detection circuit board, the problems of large space occupation and unstable signal in the prior art are solved, achieving a compact structural design and stable signal transmission, and reducing costs.
Patent Information
- Application Number
- CN202423034099.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In existing radio frequency signal detection boxes, the radio frequency channel circuit board and the detection circuit board are set up separately, which results in large space occupation, complicated wiring and unstable signal.
The design adopts a vertical connection between the RF channel circuit board and the detection circuit board. The RF channel circuit board is located in the housing cavity of the box, and the detection circuit board is located in the space covered by the box cover. They are positioned and connected through plugs and sockets, and conduction is achieved through soldering. The electrical connection is stable, eliminating the need for wires and terminals.
It achieves a compact structure and reasonable layout, reduces the size of the detection box, saves costs, and improves the stability of signal transmission and the reliability of electrical connections.
Smart Images
Figure CN223611617U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a radio frequency signal detection box. BACKGROUND
[0002] The 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 the signal respectively. The radio frequency signal detection box usually comprises a radio frequency channel circuit board and a detection circuit board; wherein the radio frequency channel circuit board is used for inputting and outputting radio frequency signals; and the detection circuit board is used for detecting the phase and amplitude of the input radio frequency signals.
[0003] The radio frequency channel circuit board and the detection circuit board of the existing radio frequency signal detection box are usually arranged in separate zones to avoid interference of the radio frequency signals. The radio frequency channel circuit board and the detection circuit board are electrically connected through wires and terminal connectors. The required space is large, the wiring is complicated, and the signal is unstable. SUMMARY
[0004] The utility model provides a radio frequency signal detection box, which comprises a box body, a box cover, a radio frequency channel circuit board and a detection circuit board. The radio frequency channel circuit board is used for inputting and outputting radio frequency signals. The detection circuit board is used for detecting the phase and amplitude of the input radio frequency signals. The box body has a receiving cavity and an opening communicating with the receiving cavity. One end of the box body is provided with a radio frequency input connector, and the other end is provided with a radio frequency output connector. The radio frequency channel circuit board is vertically arranged in the receiving cavity of the box body and located between the radio frequency input connector and the radio frequency output connector. The radio frequency channel circuit board is electrically connected with the radio frequency input connector and the radio frequency output connector respectively. The detection circuit board covers the opening of the box body and is perpendicular to the radio frequency channel circuit board. The radio frequency channel circuit board is provided with a plug-in part, the detection circuit board is provided with a plug hole, the plug-in part is inserted into the plug hole, and the plug-in part is fixed by conductive welding. The box cover covers the detection circuit board.
[0005] The radio frequency signal detection box of the utility model is characterized in that the radio frequency channel circuit board and the detection circuit board are vertically connected. The radio frequency channel circuit board is arranged in the receiving cavity of the box body, and the detection circuit board is arranged in the space covered by the box cover. The space of the radio frequency channel circuit board and the space of the detection circuit board are relatively independent and do not interfere with each other. The radio frequency channel circuit board and the detection circuit board are connected with each other. The structure is compact, the layout is reasonable, the volume of the detection box is reduced, and the cost is saved. In addition, the radio frequency channel circuit board and the detection circuit board are connected by the plug-in part and the plug hole, and are electrically connected by tin soldering. The electrical connection is stable, and wires and terminal connectors are not required. The cost is further saved. BRIEF DESCRIPTION OF DRAWINGS
[0006] Figure 1 The structure of the utility model is shown in the figure.
[0007] Figure 2The utility model discloses a structure exploded view.
[0008] Figure 3 The utility model discloses a sectional view.
[0009] Figure 4 The utility model discloses a box body and the cooperation structure schematic diagram of radio frequency channel circuit board.
[0010] Figure 5 The utility model discloses a box body structure schematic diagram.
[0011] Figure 6 The utility model discloses a box body structure exploded view. Specific embodiment
[0012] The application scheme is further described as follows:
[0013] Referring to the accompanying Figures 1-6 A radio frequency signal detection box, comprising a box body 1, a box cover 2, a radio frequency channel circuit board 3 and a detection circuit board 4, the radio frequency channel circuit board 3 is used for radio frequency signal input and output, and the detection circuit board 4 is used for detecting the phase and amplitude of the input radio frequency signal.
[0014] The box body 1 has a receiving cavity 10 and an opening 101 communicated with the receiving cavity 10.
[0015] One end of the box body 1 is provided with a radio frequency input connector 5, and the other end is provided with a radio frequency output connector 6, the radio frequency channel circuit board 3 is vertically arranged in the receiving cavity 10 of the box body 1 and located between the radio frequency input connector 5 and the radio frequency output connector 6, and the radio frequency channel circuit board 3 is electrically connected with the radio frequency input connector 5 and the radio frequency output connector 6 respectively.
[0016] The detection circuit board 4 is covered on the opening 101 of the box body 1 and perpendicular to the radio frequency channel circuit board 3, the radio frequency channel circuit board 3 is provided with a plug-in part 31, the detection circuit board 4 is provided with a plug hole 41, the plug-in part 31 is inserted in the plug hole 41 and fixed through conductive welding at the plug-in part, and the number of the plug-in part 31 is at least two, and the number and position of the plug hole 41 correspond to the plug-in part 31, in the embodiment, the number of the plug-in part 31 and the plug hole 41 is three.
[0017] The box cover 2 covers the detection circuit board 4, that is, the detection circuit board 4 is clamped between the opening 101 edge of the box body 1 and the box cover 2.
[0018] The radio frequency channel circuit board 3 is provided with an inductor (not shown in the drawing), as shown in the figure, Figure 2 The middle part of the radio frequency channel circuit board 3 is provided with a hollow position 32 for mounting the inductor.
[0019] The radio frequency signal detection box has the radio frequency channel circuit board 3 and the detection circuit board 4 connected vertically, the radio frequency channel circuit board 3 is in the accommodation cavity 10 of the box body 1, the detection circuit board 4 is in the space covered by the box cover 2, the spaces of the two are independent of each other and do not interfere with each other, are connected to each other, are compact in structure, are reasonable in layout, reduce the volume of the detection box, and save costs. In addition, the radio frequency channel circuit board 3 and the detection circuit board 4 are positioned and connected through the plug-in part 31 and the jack 41, and are electrically connected through soldering, so that the electrical connection is stable, wires and terminal connectors are not needed, and costs are further saved.
[0020] The box body 1 is provided with a limiting convex part 14 at the edge of the opening 101, the detection circuit board 4 is provided with a limiting groove 42, the limiting convex part 14 is inserted into the limiting groove 42 and is clamped therewith, the edge of the back surface of the detection circuit board 4 is welded and fixed with the edge of the opening 101, and the edge of the front surface of the detection circuit board 4 is welded and fixed with the bottom edge of the box cover 2. The detection circuit board 4 is limited through cooperation of the limiting convex part 14 and the limiting groove 42, and is welded and fixed with the box body 1 and the box cover 2 respectively, so that the structure is stable and the stability of signal transmission is ensured.
[0021] The box body 1 comprises a bottom box and two side plates 11, the bottom box comprises a bottom plate 12 and two end plates 13 which are separately arranged at the left and right ends of the bottom plate 12, and the two side plates 11 are separately arranged at the front and back sides of the bottom box. The bottom plate 12, the end plates 13 and the side plates 11 jointly form the accommodation cavity 10, and the top side of the box body 1 is open to form the opening 101. The bottom side and the left and right ends of the side plate 11 are each provided with a positioning convex part 15, the bottom plate 12 and the end plates 13 are each provided with a positioning hole 16 corresponding to the positioning convex part 15, and each positioning convex part 15 is inserted into the corresponding positioning hole 16. The box body 1 is assembled through two components (the bottom box and the side plates 11), is simple in structure, is easy to implement, and the side plates 11 are facilitated to be assembled through cooperation of the positioning convex parts 15 and the positioning holes 16.
[0022] The bottom plate 12 and the end plates 13 are integrally bent and formed, the front and back sides of the bottom plate 12 and the end plates 13 are each bent to have a covering part 17, and the inner side of the side plate 11 abuts against and is welded and fixed with the covering part 17. The side plate 11 of the box body 1 is connected to the bottom plate 12 and the end plates 13 through the covering part 17 to cover the connection gap and is welded and fixed, so that the closure of the accommodation cavity 10 is ensured and the operation of the internal electronic components is not affected.
[0023] The radio frequency channel circuit board 3 is parallel to the side plate 11, the end plate 13 is provided with an interface 18 for the radio frequency input connector 5 or the radio frequency output connector 6 to access the accommodation cavity 10 and an installation hole 19 for fixing the radio frequency input connector 5 or the radio frequency output connector 6.
[0024] The edge of the radio frequency channel circuit board 3 is welded and fixed with the inner wall of the box body 1.
[0025] The detection circuit board 4 is provided with a terminal (not shown in the figure) for outputting detection data, and the box cover 2 is provided with a notch 21 for the terminal to pass through.
[0026] The above preferred embodiments should be regarded as examples of the embodiments of the application, and any technical deductions, replacements, improvements and the like made similarly, approximately or based on the embodiments of the application should be regarded as the protection scope of the patent.
Claims
1. A radio frequency (RF) signal detection box, comprising a box body, a box cover, an RF channel circuit board, and a detection circuit board; wherein the RF channel circuit board is used for RF signal input and output; and the detection circuit board is used for detecting the phase and amplitude of the input RF signal; characterized in that: The box has a receiving cavity and an opening communicating with the receiving cavity; One end of the housing is provided with an RF input connector and the other end is provided with an RF output connector. The RF channel circuit board is erected in the housing cavity and located between the RF input connector and the RF output connector. The RF channel circuit board is electrically connected to the RF input connector and the RF output connector respectively. The detection circuit board covers the opening of the housing and is perpendicular to the radio frequency channel circuit board; the radio frequency channel circuit board is provided with a plug-in part, the detection circuit board is provided with a socket, the plug-in part is inserted into the socket and the plug-in part is fixed by conductive soldering. The cover is placed over the detection circuit board.
2. The radio frequency signal detection box according to claim 1, characterized in that: The number of the plug-in parts is at least two, and the number and position of the sockets correspond to the number of the plug-in parts.
3. The radio frequency signal detection box according to claim 1, characterized in that: On the box body, a limiting protrusion is provided at the edge of the opening, and the detection circuit board is provided with a limiting groove. The limiting protrusion is inserted into the limiting groove and engaged with it. The edge of the back of the detection circuit board is welded to the edge of the opening; the edge of the front of the detection circuit board is welded to the bottom edge of the box cover.
4. The radio frequency signal detection box according to claim 1, characterized in that: The box body includes a bottom box and two side panels; the bottom box includes a bottom plate and two end plates that are located at the left and right ends of the bottom plate; the two side panels are located at the front and rear sides of the bottom box. The bottom plate, end plate, and side plate together form the receiving cavity; the top side of the box is open to form the opening. The side plate is provided with positioning protrusions on the bottom side and both sides, and the bottom plate and end plate are provided with positioning holes corresponding to the positioning protrusions. Each positioning protrusion is inserted into the positioning hole at the corresponding position.
5. The radio frequency signal detection box according to claim 4, characterized in that: The base plate and end plate are integrally bent and formed, and both the front and rear sides of the base plate and end plate are bent with edging portions; the side plate abuts against the inner side of the edging portion and is welded and fixed.
6. The radio frequency signal detection box according to claim 5, characterized in that: The radio frequency channel circuit board is parallel to the side plate; The end plate is provided with an interface for the RF input connector or RF output connector to enter the receiving cavity and mounting holes for fixing the RF input connector or RF output connector.