An SMP connector inspection device with multi-directional tolerance inspection function

Abstract

The invention discloses an SMP connector detection device with a multi-directional tolerance detection function, comprising: a frame; an XY axis direction tolerance detection device, comprising a base installed in the frame, an XY axis adjustment module installed on the base, and a first fixture installed on the upper end of the XY axis adjustment module and used for positioning a first PCB board; a Z axis direction tolerance detection device, which is installed on the frame in a liftable manner through a lifting mechanism, the Z axis direction tolerance detection device comprising a Z axis adjustment module installed at the lower end of the lifting mechanism and a second fixture installed at the lower end of the Z axis adjustment module and used for positioning a second PCB board, the second fixture being located above the first fixture; the first PCB board is provided with at least one first interface, the second PCB board is provided with at least one second interface, and the first interface and the second interface are connected through an adapter, and the first interface, the second interface and the adapter form an SMP connector.

Description

Technical field:

[0001] The present invention relates to the technical field of SMP connector detection, and in particular to an SMP connector detection device with a multi-directional tolerance detection function. Background technology:

[0002] The main supporting fields of connectors include transportation, communications, networks, IT, medical treatment, home appliances, etc. The rapid development of the technical level of products in the supporting fields and the rapid growth of the market have strongly driven the development of connector technology. So far, connectors have developed into a series of professional products with a complete range of products, rich varieties and specifications, diverse structural types, subdivided professional directions, obvious industry characteristics, and standardized standard systems.

[0003] As a type of connector, SMP connectors can be used for interconnection between circuit boards, RF modules, and circuit boards. In the electronic communications industry, miniaturization and low cost are particularly important for market considerations, which has led to an increasing degree of modularization of electronic communications products. SMP connectors provide an ideal solution for modular dense installation applications. They can be used in 5G large-scale matrix antennas, and can achieve small-scale, high-density, and rapid assembly.

[0004] The traditional SMP connector adopts a three-piece plug-in structure, which includes a first interface installed on a first PCB board, a second interface installed on a second PCB board, and an adapter connected between the first interface and the second interface. The electrical performance of the SMP connector under different tolerance states is tested by manual adjustment and high-frequency performance. There is no dedicated testing equipment that can test the electrical performance of the SMP connector under different tolerance states, which makes the testing operation inconvenient and labor-intensive, and the testing quality cannot be guaranteed. There are large errors in the measurement data, which makes it impossible to accurately display the electrical performance of the product, causing great trouble to manufacturers.

[0005] In view of this, the inventor proposes the following technical solution. Summary of the invention:

[0006] The object of the present invention is to overcome the deficiencies of the prior art and provide an SMP connector detection device with a multi-directional tolerance detection function.

[0007] In order to solve the above technical problems, the present invention adopts the following technical solutions: the SMP connector detection device with multi-directional tolerance detection function includes: a frame; an XY axis direction tolerance detection device, which includes a base installed in the frame and an XY axis adjustment module installed on the base and can adjust the relative position in the XY axis direction, and a first fixture installed on the upper end of the XY axis adjustment module and used to position the first PCB board; a Z axis direction tolerance detection device, which is installed on the frame in a liftable manner through a lifting mechanism, the Z axis direction tolerance detection device includes a Z axis adjustment module installed at the lower end of the lifting mechanism and can adjust the relative position in the Z axis direction, and a second fixture installed at the lower end of the Z axis adjustment module and used to position the second PCB board, and the second fixture is located above the first fixture; the first PCB board is provided with at least one first interface, the second PCB board is provided with at least one second interface, and the first interface and the second interface are connected through an adapter, and the first interface, the second interface and the adapter constitute an SMP connector.

[0008] Furthermore, in the above technical solution, the XY-axis adjustment module includes an X-axis adjustment module and a Y-axis adjustment module installed on the upper end of the X-axis adjustment module, and the X-axis adjustment module has a first display device for displaying the X-axis adjustment displacement, and the Y-axis adjustment module has a second display device for displaying the Y-axis adjustment displacement; the Z-axis adjustment module has a third display device for displaying the Z-axis adjustment displacement.

[0009] Furthermore, in the above technical solution, the X-axis adjustment module includes a base plate, an X-axis adjustment support plate slidably mounted on the upper end of the base plate, and a driving mechanism for driving the X-axis adjustment support plate to move on the base plate, and the first display device is arranged on the driving mechanism.

[0010] Furthermore, in the above technical solution, the driving mechanism is an adjustment handle installed between the X-axis adjustment support plate and the base plate; or, the driving mechanism is one of a screw adjustment module and a cylinder module.

[0011] Furthermore, in the above technical solution, the structures of the Y-axis adjustment module and the Z-axis adjustment module are the same as that of the X-axis adjustment module.

[0012] Further, in the above technical solution, the lifting mechanism includes a left vertical plate and a right vertical plate fixed in the frame, a first longitudinal guide rail and a second longitudinal guide rail respectively installed on the inner sides of the left vertical plate and the right vertical plate, a lifting seat whose two sides are respectively installed on the first longitudinal guide rail and the second longitudinal guide rail through a first slider and a second slider and can slide up and down, a driving rod passing through the upper end of the frame and connected to the upper end of the lifting seat, and a driving module used to drive the driving rod to rise and fall to drive the lifting seat to rise and fall and having a displacement digital display function, and the Z-axis adjustment module is installed in the lifting seat.

[0013] Furthermore, in the above technical solution, the driving rod is a screw rod, and the upper end of the frame is also provided with a threaded seat for the screw rod to pass through, the screw rod passes through the threaded seat, and the threaded seat is also externally provided with a locking handle for locking the screw rod in the threaded seat; the driving module is a manual rotating adjusting disk, which is arranged at the upper end of the screw rod and is used to drive the screw rod to rotate to achieve lifting.

[0014] Furthermore, in the above technical solution, the driving module is a cylinder module, which is connected to the upper end of the driving rod to drive the driving rod to rise and fall; or, the driving rod is a screw rod, and the driving module is a servo motor, which is connected to the screw rod and is used to drive the screw rod to rotate to achieve lifting.

[0015] Further, in the above technical solution, the first fixture includes a first fixture seat and a first cover plate and a second cover plate installed on both sides of the first fixture seat, and a first locking screw and a second locking screw respectively used to lock the first cover plate and the second cover plate to the first fixture seat, the upper end of the first fixture seat is formed with a first groove body for installing the first PCB board, and the first groove body is also provided with a plurality of first positioning pins; the first PCB board is installed in the first groove body, and the first positioning hole on the first PCB board is sleeved on the first positioning pin, and the first cover plate and the second cover plate are fixedly covered on both sides of the first PCB board; the structure of the second fixture is the same as or different from the structure of the first fixture.

[0016] Further, in the above technical solution, the second jig includes a second jig seat, and the second jig seat is provided with a second groove body for installing the second PCB board along its front end surface, and the lower end surface of the second jig seat is provided with a window penetrating the second groove body. After the second PCB board is installed in the second groove body, the second jig seat is installed with at least two third locking screws to lock the second PCB board; the structure of the first jig is the same as or different from the structure of the second jig.

[0017] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art: the present invention is a special device that can test the high-frequency performance of the SMP connector under different tolerance states, and can adjust the tolerance values ​​in the three directions of XYZ to perform electrical performance testing, and is easy to operate, has low labor intensity, and ensures the quality of detection, so as to accurately display the electrical performance of the product, which is extremely convenient to use, making the present invention extremely competitive in the market. Furthermore, the present invention can accurately display the displacement in the XY axis direction through the first display device, the second display device, and the third display device, respectively, so as to determine the precise measurement of the SMP connector under different tolerances in the three-axis directions of XYZ, and accurately test the high-frequency characteristics of the SMP connector under different tolerance states in the three-axis directions of XYZ. At this time, the radial (XY axis direction) and axial (Z axis direction) offset values ​​and high-frequency test values ​​are measured, and accurate digital measurement results can be obtained. Description of the drawings:

[0018] Figure 1 is a stereogram of the present invention;

[0019] Figure 2 It is a stereoscopic diagram of the XY axis direction tolerance detection device of the present invention;

[0020] Figure 3 It is an assembly diagram (partial) of the Z-axis direction tolerance detection device and the lifting mechanism in the present invention;

[0021] Figure 4 It is a three-dimensional exploded view of the XY axis direction tolerance detection device of the present invention;

[0022] Figure 5 It is an assembly diagram of the tolerance detection device in the Z-axis direction and the lifting mechanism in another perspective of the present invention;

[0023] Figure 6 It is an assembly diagram of the SMP connector, the first PCB board and the second PCB board in the present invention;

[0024] Figure 7 This is a schematic diagram of the normal working state of the SMP connector in the present invention;

[0025] Figure 8 It is a schematic diagram of the tolerance state of the SMP connector in the XY axis direction in the present invention;

[0026] Fig. 9 It is a schematic diagram of the tolerance state of the SMP connector in the Z-axis direction in the present invention. Specific implementation method:

[0027] The present invention is further described below in conjunction with specific embodiments and drawings.

[0028] See Figure 1-9As shown, an SMP connector detection device with a multi-directional tolerance detection function comprises: a frame 1; an XY axis direction tolerance detection device 2, which comprises a base 21 installed in the frame 1, an XY axis adjustment module installed on the base 21 and capable of adjusting the relative position in the XY axis direction, and a first fixture 24 installed on the upper end of the XY axis adjustment module and used for positioning a first PCB board 5; a Z axis direction tolerance detection device 3, which is installed on the frame 1 in a liftable manner through a lifting mechanism 4, and the Z axis direction tolerance detection device 3 comprises a mounting The Z-axis adjustment module 31 at the lower end of the lifting mechanism 4 and capable of adjusting the relative position in the Z-axis direction and the second fixture 32 installed at the lower end of the Z-axis adjustment module 31 and used to position the second PCB board 6, the second fixture 32 is located above the first fixture 24; the first PCB board 5 is provided with at least one first interface 71, the second PCB board 6 is provided with at least one second interface 72, and the first interface 71 and the second interface 72 are connected through an adapter 73, and the first interface 71, the second interface 72 and the adapter 73 form an SMP connector. Among them, the first interface 71 is a latch connector, and the second interface 72 is a speaker connector; of course, it can also be reversed, the first interface 71 is a speaker connector, and the second interface 72 is a latch connector, that is, the first PCB board 5 and the second PCB board 6 can be interchangeably assembled, and the same function can also be achieved. When the present invention is working, the first PCB board 5 and the second PCB board 6 are first installed in the first fixture 24 and the second fixture 32 respectively, and the first PCB board 5 and the second PCB board 6 are respectively connected to the network analyzer through cables, and the first interface 71 on the first PCB board 5 and the second interface 72 on the second PCB board 6 are connected through the adapter 73, and the Z-axis direction tolerance detection device 3 is driven to move downward to a predetermined position through the lifting mechanism 4, and the adapter 73 is respectively connected to the first interface 71 and the second PCB board 6 to form a stable connection; finally, the first fixture 24 is adjusted in the XY axis direction by the XY axis adjustment module. The position is adjusted, and the relative position of the second fixture 32 in the Z-axis direction is adjusted by the Z-axis adjustment module 31, so as to detect the electrical performance of the SMP connector composed of the first interface 71, the second interface 72 and the adapter 73 under the tolerance state in the three directions of XYZ. In other words, the present invention is a special equipment that can test the high-frequency performance of the SMP connector under different tolerance states, and can adjust the tolerance values ​​in the three directions of XYZ to perform electrical performance testing, and is easy to operate, has low labor intensity, and ensures the quality of detection, so as to accurately display the electrical performance of the product. It is extremely convenient to use, which makes the present invention highly competitive in the market.

[0029] The first PCB board 5 and the second PCB board 6 are respectively provided with SMA output ports 10 for connecting to a test equipment network analyzer.

[0030] The XY-axis adjustment module includes an X-axis adjustment module 22 and a Y-axis adjustment module 23 installed on the upper end of the X-axis adjustment module 22, and the X-axis adjustment module 22 has a first display device 220 for displaying the X-axis adjustment displacement, and the Y-axis adjustment module 23 has a second display device 230 for displaying the Y-axis adjustment displacement; the Z-axis adjustment module 31 has a third display device 310 for displaying the Z-axis adjustment displacement. That is to say, when the present invention adjusts the relative position of the first fixture 24 in the XY axis direction through the XY axis adjustment module, the displacement in the XY axis direction can be accurately displayed by the first display device 220 and the second display device 230; and when the relative position of the second fixture 32 in the Z axis direction is adjusted by the Z axis adjustment module 31, the displacement in the Z axis direction can be accurately displayed by the third display device 310, so as to determine the accurate measurement of the SMP connector under different tolerances in the XYZ three-axis direction, and accurately test the high-frequency characteristics of the SMP connector under different tolerances in the XYZ three-axis direction. At this time, the radial (XY axis direction) and axial (Z axis direction) offset values ​​and high-frequency test values ​​are measured, and accurate digital measurement results can be obtained. The first display device 220, the second display device 230 and the third display device 310 can be digital tubes or LCD display screens, and they must be cleared before use.

[0031] The X-axis adjustment module 22 includes a bottom plate 221, an X-axis adjustment support plate 222 slidably mounted on the upper end of the bottom plate 221, and a driving mechanism 223 for driving the X-axis adjustment support plate 222 to move on the bottom plate 221, and the first display device 220 is disposed on the driving mechanism 223. The bottom plate 221 and the X-axis adjustment support plate 222 are matched with each other through a dovetail groove and a dovetail-shaped protrusion to form a slidable assembly structure.

[0032] The driving mechanism 223 is an adjustment handle installed between the X-axis adjustment support plate 222 and the bottom plate 221; or, the driving mechanism 223 is a screw adjustment module or a cylinder module, which is an electric control mode with a high degree of automation. In this embodiment, the driving mechanism 223 is an adjustment handle installed between the X-axis adjustment support plate 222 and the bottom plate 221, which has low cost and good controllability.

[0033] The structures of the Y-axis adjustment module 23 and the Z-axis adjustment module 31 are the same as those of the X-axis adjustment module 22 , and will not be described in detail here. The control and adjustment principles thereof are the same.

[0034] The lifting mechanism 4 includes a left vertical plate 41 and a right vertical plate 42 fixed in the frame 1, a first longitudinal guide rail 43 and a second longitudinal guide rail respectively installed on the inner side of the left vertical plate 41 and the right vertical plate 42, a lifting seat 45 which is installed on the first longitudinal guide rail 43 and the second longitudinal guide rail through a first slider 451 and a second slider 452 on both sides and can slide up and down, a driving rod 46 passing through the upper end of the frame 1 and connected to the upper end of the lifting seat 45, and a driving module 47 for driving the driving rod 46 to move up and down to drive the lifting seat 45 to move up and down and having a displacement digital display function, and the Z-axis adjustment module 31 is installed in the lifting seat 45. The lifting seat 45 is installed on the first longitudinal guide rail 43 and the second longitudinal guide rail through the first slider 451 and the second slider 452 arranged on both sides, so as to ensure the stability of its assembly structure, and the operation and movement are also relatively stable, which is conducive to improving the measurement accuracy.

[0035] The driving rod 46 is a screw rod, and a threaded seat 11 for the screw rod to pass through is also provided at the upper end of the frame 1. The screw rod passes through the threaded seat 11, and the threaded seat 11 is also externally provided with a locking handle 12 for locking the screw rod in the threaded seat 11; the driving module 47 is a manual rotating adjustment disk, which is set at the upper end of the screw rod and is used to drive the screw rod to rotate to achieve lifting, thereby driving the two ends of the adapter 73 to form a stable docking connection with the first interface 71 and the second PCB board 6 respectively.

[0036] The driving module 47 is a cylinder module, which is connected to the upper end of the driving rod 46 to drive the driving rod 46 to rise and fall. This is an electric control mode with a high degree of automation; or, the driving rod 46 is a screw rod, and the driving module 47 is a servo motor, which is connected to the screw rod and is used to drive the screw rod to rotate to achieve lifting. This is an electric control mode with a high degree of automation.

[0037] The first fixture 24 includes a first fixture seat 241 and a first cover plate 242 and a second cover plate 243 installed on both sides of the first fixture seat 241, and a first locking screw 244 and a second locking screw 245 respectively used to lock the first cover plate 242 and the second cover plate 243 on the first fixture seat 241. The upper end of the first fixture seat 241 is formed with a first groove body 201 for mounting the first PCB board 5, and the first groove body 201 is also provided with a plurality of first positioning pins 202; the first PCB board 5 is installed in the first groove body 201, and the first positioning hole 51 on the first PCB board 5 is sleeved on the first positioning pin 202, and the first cover plate 242 and the second cover plate 243 are fixedly covered on both sides of the first PCB board 5.

[0038] The structure of the second fixture 32 is the same as that of the first fixture 24. Of course, the second fixture 32 can also adopt a second structure different from the structure of the first fixture 24, specifically as follows: the second fixture 32 includes a second fixture seat 321, and the second fixture seat 321 has a second groove 322 for installing the second PCB board 6 along its front end surface, and the lower end surface of the second fixture seat 321 is provided with a window 323 that penetrates the second groove 322. After the second PCB board 6 is installed in the second groove 322, the second fixture seat 321 is installed with at least two third locking screws 324 to lock the second PCB board 6; wherein, the structure of the first fixture 24 can also adopt the second structure of the second fixture 32.

[0039] The frame 1 is in a square frame shape, and a plurality of holes 13 are arranged on its outer side. The holes 13 can reduce the material and weight of the device, and can also facilitate operation and observation through the holes 13, making it more convenient to use. Furthermore, a pull ring or a flexible handle can be arranged on the upper end of the frame 1 to facilitate transportation.

[0040] In order to improve the test efficiency and reduce the number of installation times, multiple SMP connectors can be installed on the first PCB board 5 and the second PCB board 6 for simultaneous measurement, wherein multiple SMA output ports are set on the first PCB board 5 and the second PCB board 6, which are respectively connected to the test equipment network analyzer, so that multiple SMP connectors can be tested simultaneously.

[0041] In summary, when the present invention is working, the first PCB board 5 and the second PCB board 6 are first installed in the first fixture 24 and the second fixture 32 respectively, and the first PCB board 5 and the second PCB board 6 are respectively connected to the network analyzer through cables, and the first interface 71 on the first PCB board 5 and the second interface 72 on the second PCB board 6 are connected through the adapter 73, and the Z-axis direction tolerance detection device 3 is driven to move downward to a predetermined position through the lifting mechanism 4, and the adapter 73 is respectively connected to the first interface 71 and the second PCB board 6 to form a stable connection; finally, the first fixture 24 is adjusted in the XY axis direction through the XY axis adjustment module. The relative position of the second fixture 32 in the Z-axis direction is adjusted by the Z-axis adjustment module 31, so as to detect the electrical performance of the SMP connector composed of the first interface 71, the second interface 72 and the adapter 73 under the tolerance state in the three directions of XYZ. In other words, the present invention is a special equipment that can test the high-frequency performance of the SMP connector under different tolerance states, and can adjust the tolerance values ​​in the three directions of XYZ to perform electrical performance testing, and is easy to operate, has low labor intensity, and ensures the quality of detection, so as to accurately display the electrical performance of the product. It is extremely convenient to use, which makes the present invention highly competitive in the market. Furthermore, when the present invention adjusts the relative position of the first fixture 24 in the XY axis direction through the XY axis adjustment module, the displacement in the XY axis direction can be accurately displayed in digital form by the first display device 220 and the second display device 230; and when the relative position of the second fixture 32 in the Z axis direction is adjusted through the Z axis adjustment module 31, the displacement in the Z axis direction can be accurately displayed in digital form by the third display device 310, thereby determining the precise measurement of the SMP connector under different tolerances in the XYZ three-axis directions, and accurately testing the high-frequency characteristics of the SMP connector under different tolerances in the XYZ three-axis directions. At this time, the radial (XY axis direction) and axial (Z axis direction) offset values ​​and high-frequency test values ​​are measured, and accurate digital measurement results can be obtained.

[0042] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. All equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. An SMP connector testing device with multi-directional tolerance testing function, characterized in that: It includes: Rack(1); An XY-axis direction tolerance detection device (2), comprising a base (21) installed in the frame (1), an XY-axis adjustment module installed on the base (21) and capable of adjusting the relative position in the XY-axis direction, and a first fixture (24) installed on the upper end of the XY-axis adjustment module and used for positioning a first PCB board (5); A Z-axis direction tolerance detection device (3) is installed on the frame (1) in a liftable manner via a lifting mechanism (4), the Z-axis direction tolerance detection device (3) comprising a Z-axis adjustment module (31) installed at the lower end of the lifting mechanism (4) and capable of adjusting the relative position in the Z-axis direction, and a second fixture (32) installed at the lower end of the Z-axis adjustment module (31) and used for positioning the second PCB board (6), the second fixture (32) being located above the first fixture (24); The first PCB board (5) is provided with at least one first interface (71), the second PCB board (6) is provided with at least one second interface (72), and the first interface (71) and the second interface (72) are connected via an adapter (73), and the first interface (71), the second interface (72) and the adapter (73) form an SMP connector (7); The XY-axis adjustment module comprises an X-axis adjustment module (22) and a Y-axis adjustment module (23) mounted on the upper end of the X-axis adjustment module (22); the X-axis adjustment module (22) has a first display device (220) for displaying the X-axis adjustment displacement amount; the Y-axis adjustment module (23) has a second display device (230) for displaying the Y-axis adjustment displacement amount; and the Z-axis adjustment module (31) has a third display device (310) for displaying the Z-axis adjustment displacement amount.

2. The SMP connector detection device with multi-directional tolerance detection function according to claim 1, characterized in that: The X-axis adjustment module (22) comprises a base plate (221), an X-axis adjustment support plate (222) slidably mounted on the upper end of the base plate (221), and a driving mechanism (223) for driving the X-axis adjustment support plate (222) to move on the base plate (221), and the first display device (220) is arranged on the driving mechanism (223).

3. The SMP connector detection device with multi-directional tolerance detection function according to claim 2, characterized in that: The driving mechanism (223) is an adjustment handle installed between the X-axis adjustment support plate (222) and the bottom plate (221); Alternatively, the driving mechanism (223) is a screw adjustment module or a cylinder module.

4. The SMP connector detection device with multi-directional tolerance detection function according to claim 3, characterized in that: The structures of the Y-axis adjustment module (23) and the Z-axis adjustment module (31) are the same as those of the X-axis adjustment module (22).

5. The SMP connector detection device with multi-directional tolerance detection function according to any one of claims 1 to 4, characterized in that: The lifting mechanism (4) comprises a left vertical plate (41) and a right vertical plate (42) fixed in the frame (1), a first longitudinal guide rail (43) and a second longitudinal guide rail respectively mounted on the inner side surfaces of the left vertical plate (41) and the right vertical plate (42), a lifting seat (45) which is mounted on the first longitudinal guide rail (43) and the second longitudinal guide rail via a first slider (451) and a second slider (452) on both sides and can slide up and down, a driving rod (46) passing through the upper end of the frame (1) and connected to the upper end of the lifting seat (45), and a driving module (47) for driving the driving rod (46) to move up and down so as to drive the lifting seat (45) to move up and down and having a displacement digital display function, and the Z-axis adjustment module (31) is mounted in the lifting seat (45).

6. The SMP connector detection device with multi-directional tolerance detection function according to claim 5, characterized in that: The driving rod (46) is a screw rod, and the upper end of the frame (1) is also provided with a threaded seat (11) for the screw rod to pass through, the screw rod passes through the threaded seat (11), and the threaded seat (11) is also provided with a locking handle (12) for locking the screw rod in the threaded seat (11); the driving module (47) is a manual rotating adjustment disk, which is arranged at the upper end of the screw rod and is used to drive the screw rod to rotate to achieve lifting.

7. The SMP connector detection device with multi-directional tolerance detection function according to claim 5, characterized in that: The driving module (47) is a cylinder module, and the cylinder module is connected to the upper end of the driving rod (46) to drive the driving rod (46) to move up and down; Alternatively, the driving rod (46) is a screw rod, and the driving module (47) is a servo motor, which is connected to the screw rod and is used to drive the screw rod to rotate to achieve lifting.

8. The SMP connector detection device with multi-directional tolerance detection function according to any one of claims 1 to 4, characterized in that: The first fixture (24) comprises a first fixture seat (241), a first cover plate (242) and a second cover plate (243) mounted on both sides of the first fixture seat (241), and a first locking screw (244) and a second locking screw (245) respectively used to lock the first cover plate (242) and the second cover plate (243) on the first fixture seat (241). The first fixture seat (241) has a first slot (204) formed on the upper end thereof for mounting the first PCB board (5). 1), and the first slot body (201) is further provided with a plurality of first positioning pins (202); the first PCB board (5) is installed in the first slot body (201), and the first positioning holes (51) on the first PCB board (5) are sleeved on the first positioning pins (202), and the first cover plate (242) and the second cover plate (243) are fixedly covered on both sides of the first PCB board (5); the structure of the second fixture (32) is the same as or different from the structure of the first fixture (24).

9. The SMP connector detection device with multi-directional tolerance detection function according to any one of claims 1 to 4, characterized in that: The second fixture (32) comprises a second fixture seat (321); the second fixture seat (321) is provided with a second slot (322) for mounting the second PCB board (6) along its front end surface, and a window (323) penetrating the second slot (322) is provided on the lower end surface of the second fixture seat (321); after the second PCB board (6) is mounted in the second slot (322), at least two third locking screws (324) are installed on the second fixture seat (321) to lock the second PCB board (6); the structure of the first fixture (24) is the same as or different from that of the second fixture (32).

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