Switching tool and test system

Abstract

The utility model provides a switching tool and a test system, and relates to the technical field of communication, the switching tool comprises a circuit board and at least one microstrip line arranged on the surface of the circuit board; wherein the two ends of the microstrip line extend to the edge of the circuit board; moreover, one end of the microstrip line is connected with a target circuit board, and the other end of the microstrip line is provided with a connecting piece which is connected with target equipment. The utility model provides a switching tool and a test system. The switching tool comprises a circuit board and at least one microstrip line arranged on the surface of the circuit board. The two ends of the microstrip line extend to the edge of the circuit board. Moreover, one end of the microstrip line is used for being connected with a target circuit board, and the other end of the microstrip line is provided with a connecting piece so as to be connected with target equipment, thereby achieving the switching between the target circuit board and the target equipment, reducing the switching frequency of the target circuit board during the testing, and achieving the good significance and effect for the whole testing. And the test performance and the test efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to communication technical field especially, and relates to a kind of switching tool and test system. BACKGROUND

[0002] In the present mobile communication technology rapid development, PCB (Printed Circuit Board, printed circuit board) circuit board (hereinafter referred to as circuit board) is applied more and more widely in radio frequency, microwave system, as the important cornerstone of bearing electronic circuit system, it occupies very important role in signal communication field.

[0003] Because the present circuit board application frequency band is more and more extensive, frequency band is more and more high, when using different switching tool circuit board in the same environment, there is certain difference to the performance of test, which affects the performance and test efficiency of test to some extent. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of switching tool and test system to alleviate the above technical problem.

[0005] Firstly, the utility model embodiment provides a kind of switching tool, the switching tool includes: circuit board and at least one microstrip line of the circuit board surface is provided;Wherein, the two ends of the microstrip line are extended to the edge of the circuit board;And, one end of the microstrip line is used to be connected with target circuit board, and the other end is equipped with connecting piece, and the connecting piece is used to be connected with target equipment.

[0006] In combination with the first aspect, the utility model embodiment provides the first possible implementation of the first aspect, wherein the above-mentioned circuit board includes first edge and second edge, and the first edge and the second edge are two edges oppositely arranged on the circuit board;One end of the microstrip line is arranged on the first edge, and the other end is arranged on the second edge.

[0007] In combination with the first possible implementation of the first aspect, the utility model embodiment provides the second possible implementation of the first aspect, wherein the above-mentioned microstrip line has two;And two microstrip lines are separately arranged on the circuit board.

[0008] In combination with the first possible implementation of the first aspect, the utility model embodiment provides the third possible implementation of the first aspect, wherein the above-mentioned first edge is provided with first interface, and the first interface includes the connecting end corresponding to each microstrip line;The second edge is provided with the connecting piece, and the number of the connecting piece matches the number of the microstrip line.

[0009] With reference to the first aspect, or the third possible implementation manner of the first aspect, the utility model embodiment provides a fourth possible implementation manner of the first aspect, wherein the connecting piece is a metal connecting piece.

[0010] With reference to the first aspect, the utility model embodiment provides a fifth possible implementation manner of the first aspect, wherein the microstrip line is further provided with at least one device pad; one pin of the device pad is in contact with the microstrip line, and another pin is in contact with the ground plane of the circuit board; the device pad is used for welding a debugging device to debug the microstrip line.

[0011] With reference to the first aspect, the utility model embodiment provides a sixth possible implementation manner of the first aspect, wherein the surface of the circuit board is provided with a plurality of ground vias; the ground vias penetrate through the circuit board.

[0012] With reference to the first aspect, the utility model embodiment provides a seventh possible implementation manner of the first aspect, wherein the circuit board is a multilayer circuit board, and the circuit board comprises a surface layer, and the surface layer is made by a gold sinking process.

[0013] With reference to the first aspect, the utility model embodiment provides an eighth possible implementation manner of the first aspect, wherein the surface of the circuit board is further provided with a fixing hole for fixing the circuit board to a preset position.

[0014] The utility model embodiment further provides a test system, which is used for testing a radio frequency circuit board; the test system comprises a test instrument and the adapter tool of the first aspect; the radio frequency circuit board to be tested is connected to the test instrument through the adapter tool.

[0015] The utility model embodiment has the following beneficial effects:

[0016] The adapter tool and the test system provided by the utility model embodiment comprise a circuit board and at least one microstrip line arranged on the surface of the circuit board; the two ends of the microstrip line extend to the edge of the circuit board; one end of the microstrip line is used for connecting with a target circuit board, and the other end is provided with a connecting piece used for connecting with a target device, thereby realizing the adapter between the target circuit board and the target device, reducing the adapter times of the target circuit board in testing, having a good significance and effect on the overall testing, and further helping to improve the performance and efficiency of testing.

[0017] The other features and advantages of the present application will be described in the following description, and are partially apparent from the description or are learned from the practice of the present application. The purposes and other advantages of the present application are realized and obtained by the structure particularly pointed out in the description, claims and drawings.

[0018] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 A structure schematic diagram of the adapter tool provided by the embodiment of the present application is shown in the figure.

[0021] Figure 2 A structure schematic diagram of another adapter tool provided by the embodiment of the present application is shown in the figure.

[0022] Figure 3 A structure schematic diagram of a test system provided by the embodiment of the present application is shown in the figure.

[0023] Icon: 100-circuit board; 101-microstrip line; 102-connector; 201-device pad; 202-ground via; 203-fixing hole; 300-test instrument; 301-adapter tool. DETAILED DESCRIPTION

[0024] In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the present application will be described clearly and completely in the following with reference to the drawings. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] At present, since the frequency band applied by the present circuit board is more and more extensive and the frequency band is higher and higher, when different adapter tool circuit boards are used in the same environment, there is a certain difference in the performance of the test.

[0026] Therefore, in the case of ensuring product performance requirements, the number of times of switching the tooling circuit board also needs to be considered, which can ensure the stability and consistency of test performance and has a positive effect on the test of the circuit board. Therefore, designing a special tooling circuit board can reduce the number of times of switching the circuit board during testing, which has good significance and effect on the overall test.

[0027] Based on this, the switching tooling and test system provided by the embodiments of the present application can reduce the number of times of switching the circuit board and help improve test performance and test efficiency.

[0028] To facilitate the understanding of the embodiments, first, a switching tooling disclosed by the embodiments of the present application is introduced in detail.

[0029] In a possible implementation, the embodiments of the present application provide a switching tooling, specifically, a structure diagram of a switching tooling as shown in the figure. Figure 1 The switching tooling includes a circuit board 100 and at least one microstrip line 101 arranged on the surface of the circuit board. In order to facilitate the description, Figure 1 two microstrip lines 101 are taken as examples for illustration.

[0030] It should be understood that in other embodiments, the number of microstrip lines can be set according to actual use, and the embodiments of the present application do not limit this.

[0031] Further, both ends of each microstrip line 101 extend to the edge of the circuit board 100, and one end of the microstrip line 101 is used for connecting with a target circuit board, and the other end is provided with a connecting piece 102, which is used for connecting with a target device.

[0032] In specific implementation, the target circuit board in the embodiments of the present application usually refers to a radio frequency circuit board, and the above-mentioned target device refers to a test instrument, which is used for performance testing of the radio frequency circuit board. In the embodiments of the present application, the above-mentioned switching tooling can optimize the problem of multiple switching of the radio frequency circuit board to be tested when connecting the test instrument, thereby reducing the fluctuation of the test and improving the test stability.

[0033] Therefore, the switching tooling provided by the embodiments of the present application includes a circuit board and at least one microstrip line arranged on the surface of the circuit board. Both ends of the microstrip line extend to the edge of the circuit board. One end of the microstrip line is used for connecting with a target circuit board, and the other end is provided with a connecting piece, which is used for connecting with a target device. Thus, the switching between the target circuit board and the target device is realized, which reduces the number of times of switching the target circuit board during testing, has good significance and effect on the overall test, and further helps to improve the performance and efficiency of the test.

[0034] In a specific implementation, the circuit board generally comprises a first edge and a second edge, and the first edge and the second edge are two edges arranged oppositely on the circuit board; one end of the microstrip line is arranged at the first edge, and the other end is arranged at the second edge. In addition, the microstrip line in the embodiment of the utility model preferably comprises two microstrip lines; and the two microstrip lines are arranged at intervals on the circuit board.

[0035] Specifically, for the convenience of understanding, on the basis of Figure 1 , Figure 2 a structure diagram of another adapter tool is shown, wherein Figure 2 In the embodiment, two microstrip lines are taken as an example for illustration. That is Figure 2 The two microstrip lines 101 in the embodiment.

[0036] In actual use, the two microstrip lines 101 are generally arranged at intervals, and the length of the microstrip line can also be set according to actual use. In addition, in order to avoid the situation of signal interference between the microstrip lines, generally, the two microstrip lines are arranged as close to the edges of the two circuit boards as possible, that is, the microstrip line generally extends along the two opposite edges of the circuit board, so as to avoid the situation of mutual interference between the two microstrip lines.

[0037] In addition, the shape of the circuit board can also be set according to actual use requirements. Specifically, as shown in Figure 2 , Figure 2 A first edge and a second edge of the circuit board are shown in the embodiment, wherein Figure 2 In the embodiment, the edges are represented by letters at both ends of the first edge and the second edge, that is, the first edge AB and the second edge CD.

[0038] In the embodiment of the utility model, the end of the microstrip line extending to the first edge and the target circuit board are taken as an example. Generally, in order to facilitate the connection between the adapter tool and the target circuit board, a first interface is arranged at the first edge, and the first interface comprises a connection end corresponding to each microstrip line. Specifically, the shape or parameters of the first interface can generally be matched according to the structure of the target circuit board, so as to facilitate the adapter tool of the embodiment of the utility model to adapt to various target circuit boards.

[0039] Further, the second edge is provided with the connecting piece, and the number of the connecting pieces matches the number of the microstrip lines. In addition, the connecting piece used in the embodiment of the utility model is a metal connecting piece, that is Figure 2The connector 102 is a metal connector. Typically, the metal connector is fixed to the circuit board by welding. Furthermore, to avoid interference between microstrip lines, there is usually a certain distance between the connectors. The shape or parameters of the connectors in this embodiment can also be configured according to the target device being connected, depending on the actual usage. This embodiment does not impose any limitations on this.

[0040] Furthermore, such as Figure 2 As shown, each microstrip line in this invention is further provided with at least one device pad 201; the device pad 201 is disposed on the circuit board, and one pin of the device pad 201 contacts the microstrip line 101, and the other pin contacts the ground plane of the circuit board; and the device pad 201 is used to solder debugging devices to debug the microstrip line 101.

[0041] Typically, the pads for the aforementioned devices are surface mount pads used to solder surface mount debugging devices, such as capacitors and resistors for debugging. The specific number of device pads and the debugging devices can be set according to actual testing requirements to ensure that the adapter is compatible with the RF circuit board under test.

[0042] Furthermore, the circuit board in this embodiment of the invention has multiple grounding vias on its surface; such as Figure 2 The grounding via 202 shown penetrates the circuit board 100.

[0043] Furthermore, the circuit board in this embodiment of the present invention is a multilayer circuit board, and the circuit board includes a surface layer, which is made using an immersion gold process.

[0044] Specifically, the circuit board described above is preferably a four-layer circuit board or a circuit board with more layers. The specific number of layers of the circuit board can be set according to the actual use, and this embodiment of the utility model does not limit this.

[0045] Furthermore, the surface of the circuit board in this embodiment of the present invention is also provided with fixing holes for fixing the circuit board to a preset position.

[0046] Specifically, such as Figure 2 The fixing hole 203 shown is typically designed as a metal screw hole to accommodate screw fixing methods.

[0047] Based on the above Figure 2The adapter tool shown in the utility model embodiment can be used to optimize the problem of multiple switching of the to-be-tested radio frequency circuit board when connecting the testing instrument, can reduce the test fluctuation, and improves the test stability, that is, the adapter tool provided in the utility model embodiment can reduce the external switching frequency of the output interface of the to-be-tested radio frequency circuit board, and optimizes the test stability and consistency.

[0048] Further, on the basis of the above-mentioned embodiments, the utility model embodiment further provides a test system, which is used for testing the radio frequency circuit board.

[0049] Specifically, as Figure 3 The test system provided in the utility model embodiment includes a testing instrument 300 and the adapter tool 301 provided in the above-mentioned embodiments; the to-be-tested radio frequency circuit board (not shown in the figure) is connected to the testing instrument through the adapter tool 301. Figure 3

[0050] The test system provided in the utility model embodiment has the same technical features as the adapter tool provided in the above-mentioned embodiments, so it can also solve the same technical problem and achieve the same technical effect.

[0051] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the test system described above can refer to the corresponding process in the foregoing embodiments, and will not be repeated here.

[0052] In addition, in the description of the utility model embodiment, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be direct connection, or indirect connection through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0053] ​If the functions are realized in the form of software function units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or the parts that contribute to the prior art or parts of the technical solutions can be embodied in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0054] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0055] Finally, it should be pointed out that: the above embodiments are only specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them, the protection scope of the present application is not limited thereto, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any skilled person in the art within the technical range disclosed by the present application can modify or easily think of changes to the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and all should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A transition tooling, characterized in that, The adapter tooling includes: a circuit board, and at least one microstrip line disposed on the surface of the circuit board; Both ends of the microstrip line extend to the edge of the circuit board; Furthermore, one end of the microstrip line is used to connect to the target circuit board, and the other end is equipped with a connector for connecting to the target device.

2. The adapter tooling according to claim 1, characterized in that, The circuit board includes a first edge and a second edge, and the first edge and the second edge are two edges disposed opposite to each other on the circuit board; One end of the microstrip line is located at the first edge, and the other end is located at the second edge.

3. The adapter tooling according to claim 2, characterized in that, There are two microstrip lines; Furthermore, the two microstrip lines are spaced apart on the circuit board.

4. The adapter tooling according to claim 2, characterized in that, The first edge is provided with a first interface, the first interface including a connection terminal corresponding to each of the microstrip lines; The second edge is provided with the connector, and the number of the connector matches the number of the microstrip lines.

5. The adapter tooling according to claim 1 or 4, characterized in that, The connector is a metal connector.

6. The adapter tooling according to claim 1, characterized in that, The microstrip line is also equipped with at least one device pad; One pin of the device pad is in contact with the microstrip line, and the other pin is in contact with the ground plane of the circuit board. The device pads are used for soldering and debugging devices to debug the microstrip line.

7. The adapter tooling according to claim 1, characterized in that, The surface of the circuit board is provided with multiple grounding vias; The grounding via penetrates the circuit board.

8. The adapter tooling according to claim 1, characterized in that, The circuit board is a multilayer circuit board, and the circuit board includes a surface layer, which is made using an immersion gold process.

9. The adapter tooling according to claim 1, characterized in that, The surface of the circuit board is also provided with fixing holes for fixing the circuit board to a preset position.

10. A testing system, characterized in that, The test system is used to test radio frequency circuit boards; The testing system includes testing instruments, and the adapter tooling as described in any one of claims 1 to 9; The RF circuit board to be tested is connected to the test instrument via the adapter fixture.

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