CN219302535U - Shielding box - Google Patents

Abstract

The utility model discloses a shielding box, which comprises a box body, a testing component and a pressing mechanism, wherein the top end of the box body is provided with a hole site, the testing component is arranged in the box body and corresponds to the hole site, the bottom end of the box body is provided with an interface, and the interface is connected with the testing component; the pressing mechanism is arranged on one side of the box body and comprises a fixed seat, a driving piece, a connecting plate, a pressing block base, a sealing plate, a pressing block, a probe head and an SMA connecting seat; the driving piece sets up the first side of fixing base, the second side of fixing base sets up one side of box, the connecting plate is located the top of fixing base, box, the one end of connecting plate with the driving piece is connected, and the other end sets up the top of briquetting base, the shrouding sets up the bottom of briquetting base is equipped with the vacancy, the shrouding be used for with the hole site cooperatees. The utility model has simple structure, small volume and small occupied space.

Description

Shielding box

Technical Field

The utility model relates to the technical field of module testing, in particular to a shielding box.

Background

The prior shielding box for testing modules such as Bluetooth modules (modules), WIFI modules, wireless modules (modules) and the like, such as Radio Frequency testing, generally comprises a box body and an upper cover covered at the opening end of the box body, wherein a drawer structure is arranged on the front side of the box body, a front-back moving cylinder and an up-down pressing cylinder are arranged in the box body, the drawer structure is driven to move back and forth through the front-back moving cylinder, the modules can be placed into the box body through the drawer structure, a pressing block is driven to move downwards through the up-down pressing cylinder, and the modules can be pressed onto a testing assembly in the drawer structure through the pressing block so as to realize connection between the modules and the testing assembly and connection between a probe head in the drawer structure and a Radio Frequency (Radio Frequency) testing interface of the modules. The shielding box with the structure is complex in structure, and the volume ratio and the occupied space of the shielding box are large because the front-back moving cylinder and the upper-lower pressing cylinder are arranged in the box body.

Accordingly, there is a need for an improved shielding cage.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the shielding box which is simple in structure, small in size and small in occupied space.

The technical scheme adopted for solving the technical problems is as follows:

the shielding box comprises a box body, a testing component and a pressing mechanism, wherein a hole site is formed in the top end of the box body, the testing component is arranged in the box body and corresponds to the hole site, an interface is formed in the bottom end of the box body, and the interface is connected with the testing component; the pressing mechanism is arranged on one side of the box body and comprises a fixed seat, a driving piece, a connecting plate, a pressing block base, a sealing plate, a pressing block, a probe head and an SMA connecting seat; the driving piece sets up the first side of fixing base, the second side of fixing base sets up one side of box, the connecting plate is located the top of fixing base, box, the one end of connecting plate with the driving piece is connected, and the other end sets up the top of briquetting base, the driving piece is used for the drive the connecting plate is relative the fixing base reciprocates and is relative the fixing base rotates, the shrouding sets up the bottom of briquetting base and is equipped with the vacancy, the shrouding be used for with the hole site cooperatees, the briquetting sets up the bottom of briquetting base and hold in the vacancy, and briquetting part protrusion in the bottom of shrouding, the probe head sets up in the mounting hole of briquetting base and briquetting, the head protrusion of probe head in the bottom of briquetting, the end protrusion of probe head in the top of briquetting base and through the connecting wire with the SMA connecting seat is connected.

As an optimized technical scheme, the test assembly comprises a test board, a test seat fixing board, a test seat PCB and a test seat which are sequentially arranged from bottom to top; the test seat is in including setting up probe bottom plate on test seat PCB top, setting is in frame, a plurality of test probe, probe roof and the floating plate that can float from top to bottom on probe bottom plate top, the frame has holding position, the probe roof holding in holding position is in the top of probe bottom plate, the floating plate holding in holding position and be located the top of probe roof and the floating plate with have the clearance between the probe roof, probe bottom plate and probe roof are equipped with a plurality of first probe mounting holes, the top of floating plate is equipped with the position of placing that is used for placing the module, place the position with the hole site corresponds, the bottom of placing the position is equipped with a plurality of second probe mounting holes, and every test probe corresponds a first probe mounting hole, a second probe mounting hole respectively, the test probe set up in corresponding first probe mounting hole, second probe mounting hole, the first of a plurality of test probes respectively protruding in the bottom plate and respectively with the clearance between a plurality of probe tops of probe bottom plate and the probe roof, the second probe position that is located the second probe position and the second probe position that is located when the probe position is located in the second position is corresponding to the probe press down to the module and place to the end respectively.

As the preferable technical scheme, the bottom in the box body is provided with a supporting frame, and the test board is arranged at the top end of the supporting frame.

As the preferable technical scheme, the hole site is the shoulder hole, including from last first part, second part, the third part that communicates down in proper order, the shrouding includes the shrouding body and forms the bulge of shrouding body bottom, the shrouding body be used for with first part matched with, the bulge be used for with second part matched with.

As a preferable technical scheme, the bottom of the first part is provided with conductive sealing cotton, and when the sealing plate body is matched with the first part, the conductive sealing cotton is positioned between the bottom of the first part and the sealing plate body.

As a preferable technical scheme, the bottom end of the pressing block is provided with one or more buffer elastic pieces.

As the preferable technical scheme, the top end of the fixing seat is provided with a locating pin, and the top end of the locating pin is matched with the hole phase of the connecting plate.

As a preferred technical scheme, the driving piece is a rotary clamping cylinder.

As the preferable technical scheme, the box comprises a box body and an upper cover which covers the opening end of the box body, wherein the top end of the upper cover is provided with the hole site, the second side of the fixing seat is arranged on one side of the box body, and the bottom end of the box body is provided with the interface.

As an optimal technical scheme, the box body and the upper cover are fixed through a hasp.

The beneficial effects of the utility model are as follows: according to the utility model, the hole site is arranged at the top end of the box body, and the pressing mechanism is arranged at one side of the box body, so that the pressing mechanism can not only realize the effect of closing or opening the hole site at the top end of the box body, but also realize the effect of pressing the module onto the test assembly to realize the connection between the module and the test assembly and the effect of inserting the probe head into the RF test interface of the module to realize the connection between the module and the radio frequency signal input interface of the external tester.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a shielding case according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the shielded enclosure shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the shield can of FIG. 1;

FIG. 4 is an enlarged partial schematic view of the shield can shown in FIG. 3 at A;

FIG. 5 is a schematic view, partially in section, of the upper cover, closure plate, press block, cushioning spring, module of the shield case of FIG. 3;

FIG. 6 is a schematic view of a test assembly of the shielded enclosure shown in FIG. 1;

FIG. 7 is an exploded view of the test assembly of FIG. 6;

FIG. 8 is a schematic view of the structure of a test probe of the test assembly of FIG. 6;

fig. 9 and 10 are schematic structural views of a pressing mechanism of the shielding case shown in fig. 1;

FIG. 11 is a side view of the press-fit mechanism of FIG. 9;

fig. 12 is an exploded view of the press-fit mechanism of fig. 9.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 to 3, a shielding case according to an embodiment of the present utility model includes a case 10, a testing assembly 50, and a pressing mechanism 80. The top of the box 10 is provided with a hole site 132, and the test assembly 50 is arranged in the box 10 and corresponds to the hole site 132. The pressing mechanism 80 is provided at one side of the case 10. The bottom end of the box 10 is provided with an interface which is connected with the test assembly 50.

In this embodiment, the case 10 includes a case body 12 and an upper cover 13 covering an opening end of the case body 12. The open end of box body 12 is equipped with recess 125, and the bottom of upper cover 13 is equipped with the bellying, and the bellying cooperatees with recess 125 to upper cover 13 passes through bellying, recess 125 lid and closes the open end at box body 12. Preferably, the bottom of the groove 125 is provided with conductive sealing cotton 126, and the conductive sealing cotton 126 is located between the protruding portion and the bottom of the groove 125, and the conductive sealing cotton 126 plays a role in sealing so as to ensure tightness of the case 10.

Further, the case body 12 and the upper cover 13 are fixed by a buckle 90. In this embodiment, the left side of the case body 12 and the left side of the upper cover 13 are fixed by two buckles 90, one ends of the two buckles 90 are disposed on the left side of the case body 12 by fasteners such as screws, the other ends are abutted against the left side of the upper cover 13, the left side of the case body 12 is provided with a thread groove for mounting screws, the right side of the case body 12 and the right side of the upper cover 13 are fixed by two buckles 90, one ends of the two buckles 90 are disposed on the right side of the case body 12, the other ends are abutted against the right side of the upper cover 13, and the right side of the case body 12 is provided with a thread groove for mounting screws, so that it can be understood that the positions and the number of the buckles 90 can be set according to practical situations. The arrangement of the thread groove can prevent radio frequency signals from leaking, and can improve shielding effect.

The top end of the upper cover 13 is provided with the hole site 132, and the bottom end of the box body 12 is provided with the interface. The interfaces include a shielding case standard interface 122 and an SMA (microwave high frequency connector) interface 123, the shielding case standard interface 122 is used as an electrical signal interface, the SMA interface 123 is used as a radio frequency signal input interface, the shielding case standard interface 122 and the SMA interface 123 are partially located in the case body 12, and the shielding case standard interface 122 and the SMA interface 123 are respectively used for being connected with an electrical signal output interface and a radio frequency signal output interface of an external tester so as to supply power to the test assembly 50 and output test signals to the test assembly 50.

In the present embodiment, the materials of the case body 12 and the upper cover 13 are all metal materials, and the type of the materials is not limited to the present utility model. The box body 12 and the upper cover 13 are grounded, so as to absorb electromagnetic signals in the box 10, reduce self interference of high-frequency electromagnetic waves (namely radio frequency signals) in the box 10 caused by multiple reflections, and play a role in shielding to prevent the leakage of the high-frequency electromagnetic waves (namely radio frequency signals) in the testing process.

In this embodiment, the case body 12 and the upper cover 13 are formed by welding five plates, and the welding manner can prevent seams between the plates, prevent leakage of high-frequency electromagnetic waves, and improve shielding effect.

Referring to fig. 6 to 8, the testing component 50 is disposed in the cavity formed by the case body 12 and the upper cover 13 in the case 10 and corresponds to the hole site 132, in this embodiment, a supporting frame 124 is disposed at the bottom of the case body 12, and the testing component 50 is disposed at the top end of the supporting frame 124. The number of the supporting frames 124 is two, and the two supporting frames 124 are arranged at intervals along the width direction of the box body 10.

The test assembly 50 includes a test board 52, a test socket fixing board 53, a test socket PCB54, and a test socket, which are sequentially disposed from bottom to top. The test board 52 is connected with the standard interface 122 of the shielding box, the SMA interface 123 and the test seat PCB54, so that the test assembly 50 can be powered through the standard interface 122 of the shielding box to power the module 200, and the test board 52 and an external tester together form a test system of the module 200 through the SMA interface 123 to receive test signals output by the external tester.

The test plate 52 is disposed on top of the support frame 124. In this embodiment, a clamping block 522 is disposed at the top end of the test board 52, and a clamping position is disposed at the bottom end of the test seat fixing board 53 and is clamped with the clamping block 522.

The test socket includes a probe base plate 55 provided at the top of the test socket PCB54, an outer frame 56 provided at the top of the probe base plate 55, a plurality of test probes 59, a probe top plate 57, and a floating plate 58 floatable up and down.

The outer frame 56 is a metal outer frame. The outer frame 56 has a receiving portion 562. The probe top plate 57 is received in the receiving position 562 and is disposed at the top end of the probe bottom plate 55. The floating plate 58 is received within the receiving location 562 and is positioned above the probe top plate 57 with a gap between the floating plate 58 and the probe top plate 57. The top end of the probe top plate 57 is provided with a fastener such as a positioning pin, the floating plate 58 is provided with a pin hole 586 which is matched with the positioning pin, and the floating plate 58 can float up and down along the positioning pin. The number of the positioning pins and the pin holes 586 can be set according to practical situations. The floating plate 58 is a floating plate with a built-in spring, and the built-in spring provides a lifting force, so that the floating plate 58 can float up and down. The floating plate 58 is of conventional construction.

The probe bottom plate 55 and the probe top plate 57 are provided with a plurality of first probe mounting holes, the top end of the floating plate 58 is provided with a placement position 582 for placing the module 200, the placement position 582 corresponds to the hole position 132, and the module 200 can be placed in the placement position 582 through the hole position 132 of the upper cover 13. The bottom of the placement site 582 is provided with a plurality of second probe-mounting holes 584, the second probe-mounting holes 584 being provided through the bottom end of the floating plate 58. Each test probe 59 has a first head 592 and a second head 593, each test probe 59 corresponds to a first probe mounting hole and a second probe mounting hole 584, the test probes 59 are disposed in the corresponding first probe mounting holes and second probe mounting holes 584, and the first heads 592 of the plurality of test probes 59 protrude from the bottom ends of the probe base plate 55 and cooperate with the plurality of probe phases of the test socket PCB54 respectively, so as to connect with the test socket PCB 54. The ends of the second heads 593 of the plurality of test probes 59 are respectively located within the corresponding second probe mounting holes 584.

In this embodiment, the probe bottom plate 55 has a plurality of first vias 552 penetrating through its top and bottom ends, the probe top plate 57 has a plurality of second vias 572 penetrating through its top and bottom ends, each of the second vias 572 corresponds to one of the first vias 552, and the second vias 572 and the corresponding first via 552 form the first probe mounting hole described above.

Referring to fig. 9 to 12, the pressing mechanism 80 includes a fixing base 82, a driving member 83, a connecting plate 84, a pressing block base 85, a sealing plate 86, a pressing block 87, a probe head 88, and an SMA connecting base 89.

The holder 82 has opposite first and second sides. The first side of the fixing base 82 is provided with a mounting plate 822 near the bottom end thereof, and the second side of the fixing base 82 is provided at the rear side of the case body 12 and contacts the rear side of the upper cover 13.

The driving member 83 is disposed at the top end of the mounting plate 822 such that the driving member 83 is disposed at a first side of the fixing seat 82 through the mounting plate 822. The driving member 83 is used for driving the connecting plate 84 to move up and down relative to the fixed seat 82 and rotate relative to the fixed seat 82. The driving member 83 is a swivel clamping cylinder.

The connecting plate 84 is located the fixing base 82, the top of upper cover, and the one end of connecting plate 84 is connected with driving piece 83, and the other end sets up the top at briquetting base 85. The briquette base 85 may move in synchronism with the web 84. Specifically, one end of the connection plate 84 has a connection hole 842, and the end of the cylinder shaft 832 of the driving member 83 is disposed in the connection hole 842, thereby achieving connection between the one end of the connection plate 84 and the driving member 83. The top end of the press block base 85 has a mounting location 852, and the other end of the connecting plate 84 is engaged with the mounting location 852 and is disposed at the bottom of the mounting location 852 by a fastener such as a pin.

Further, a positioning pin 824 is disposed at the top end of the fixing base 82, and the top end of the positioning pin 824 is matched with a hole site 844 of the connecting plate 84. The locating pin 824 locates the web 84. In this embodiment, a mounting hole 826 is formed at the top end of the fixing base 82, and the bottom end of the positioning pin 824 is disposed in the mounting hole 826. The number of the positioning pins 824 is two, and it is understood that the number of the positioning pins 824 may be set according to practical situations.

A closing plate 86 is provided at the bottom end of the press block base 85 by a fastener such as a screw or the like and is provided with a void 866. The seal plate 86 may move synchronously with the press block base 85. The sealing plate 86 is used for matching with the hole site 132, in practical application, when the driving piece 83 drives the pressing block base 85 and the sealing plate 86 to move upwards, the hole site 132 can be opened through the pressing block base 85 and the sealing plate 86, when the driving piece 83 drives the pressing block base 85 and the sealing plate 86 to move downwards until the sealing plate 86 is matched with the hole site 132, the hole site 132 can be closed through the sealing plate 86 and the pressing block base 85, a closed space can be formed inside the box 10 through the closed hole site 132, and by opening the hole site 132, the module 200 can be placed in the placement position 582 of the test assembly 50 through the hole site 132.

In this embodiment, the sealing plate 86 has a T shape, and includes a sealing plate body 862 and a protruding portion 864 formed at the bottom end of the sealing plate body 862, where the sealing plate body 862 and the protruding portion 864 are provided with the gaps 866. The hole 132 of the upper cover 13 is a stepped hole, and includes a first portion 1322, a second portion 1323 and a third portion 1324 that are sequentially communicated from top to bottom, as shown in fig. 2 and 5, the sealing plate body 862 is configured to cooperate with the first portion 1322, and the protrusion 864 is configured to cooperate with the second portion 1323.

The bottom of the first portion 1322 is provided with conductive sealing cotton 133, when the sealing plate body 862 is matched with the first portion 1322, the conductive sealing cotton 133 is located between the bottom of the first portion 1322 and the sealing plate body 862, and sealing effect is achieved through the conductive sealing cotton 133, so that tightness of the box 10 can be guaranteed.

The pressing block 87 is disposed at the bottom end of the pressing block base 85 by a fastener such as a pin and is accommodated in the empty space 866, and the pressing block 87 is partially protruded out of the bottom end of the sealing plate 86, the pressing block 87 can move synchronously with the pressing block base 85, when the sealing plate 86 is matched with the hole site 132, the part of the pressing block 87 protruded out of the bottom end of the sealing plate 86 is located in the hole site 132, and the bottom end of the pressing block 87 extends into the box 10 and is located above the placing position 582, as shown in fig. 4, and at this time, the bottom end of the pressing block 87 is preferably flush with the top end of the outer frame 56. The press 87 is used to press the module 200 to the test assembly 50 to connect the module 200 with the plurality of second test probes 59 of the test assembly 50. The recess 866 is adapted to the press 87. In this embodiment, the shape of the press block 87 is square, and the shape of the void 866 is square, and it is understood that the shape of the press block 87 and the shape of the void 866 may be other.

Further, the bottom end of the pressing block 87 is provided with a plurality of buffer elastic members 92, and the buffer elastic members 92 are preferably buffer springs. When the sealing plate 86 is matched with the hole site 132, the buffer elastic member 92 extends into the placement position 582 partially, in practical application, the pressing block 87 can squeeze the module 200 through the buffer elastic members 92, the module 200 can squeeze the floating plate 58 under the extrusion force of the pressing block 87, the floating plate 58 can float downwards under the extrusion force of the module 200 until being abutted to the top end of the probe top plate 57, as shown in fig. 4, the buffer elastic members 92 are in a compressed state, and the tail ends of the second heads 593 of the plurality of test probes 59 protrude out of the bottom of the placement position 582 respectively and are matched with the plurality of probe positions of the module 200 respectively, so that the pressing block 87 can compress the module 200 to the test assembly 50 to connect the module 200 with the test assembly 50, and the set buffer elastic members 92 can enable the contact between the pressing block 87 and the module 200 to be in elastic contact without damaging the module 200.

In this embodiment, the bottom end of the pressing block 87 is provided with a plurality of elastic member mounting holes 874, each elastic member mounting hole 874 corresponds to one buffering elastic member 92, and the buffering elastic member 92 is disposed in the corresponding elastic member mounting hole 874.

A guide screw 922 is provided in the buffer elastic member 92.

In this embodiment, the number of the buffer elastic members 92 is four, the four buffer elastic members 92 are respectively located at four corners of the bottom end of the pressing block 87, and the number of the elastic member mounting holes 874 and the guide screws 922 corresponds to the number of the buffer elastic members 92. It will be appreciated that in other embodiments, the number of the buffer elastic members 92 may be other, for example, one, two, etc., and may be set according to practical situations.

The probe head 88 is arranged in the mounting holes of the pressing block base 85 and the pressing block 87, the head of the probe head 88 protrudes out of the bottom end of the pressing block 87, when the sealing plate 86 is matched with the hole site 132, the head of the probe head 88 stretches into the placing position 582, the head of the probe head 88 is used for being spliced with the RF test interface 202 of the module 200 to be connected with the module 200, the tail end of the probe head 88 protrudes out of the top end of the pressing block base 85 and is connected with the SMA connecting seat 89 through the connecting wire 91, the SMA connecting seat 89 is used for being connected with the radio frequency signal input interface of an external tester, and in practical application, the connection between the module 200 and the radio frequency signal input interface of the external tester can be realized through the probe head 88, the connecting wire 91 and the SMA connecting seat 89.

In this embodiment, the press block 87 has a first through hole 872 penetrating the top and bottom ends thereof, the press block base 85 has a second through hole 854 penetrating the top and bottom ends thereof, and the first through hole 872 and the second through hole 854 form the mounting hole. The outer periphery of the probe head 88 is sleeved with a rectangular probe sleeve 882, the probe sleeve 882 is arranged in a second through hole 854, the first through hole 872 is matched with the probe head 88, the first through hole 872 is also rectangular, and the second through hole 854 is matched with the probe sleeve 882.

The connecting line 91 is L-shaped and includes a transverse portion 912 and a vertical portion 914 connected to one end of the transverse portion 912. One end of the horizontal portion 912 away from the vertical portion 914 is connected with the end of the probe head 88, the horizontal portion 912 is located above the connecting plate 84, and one end of the vertical portion 914 away from the horizontal portion 912 sequentially passes through the accommodating groove 834 of the driving element 83, the through hole of the mounting plate 822 and is located below the fixing seat 82, and is connected with the SMA connecting seat 89.

A cylinder sensor 836 is provided in the accommodation groove 834 of the driving member 83, and the cylinder sensor 836 has a through hole through which one end of the upright portion 914 remote from the lateral portion 912 passes. The upright portion 914 of the connecting wire 91 is rotatable relative to the cylinder sensor 836. The cylinder sensor 836 is used to detect the rotation angle of the upright portion 914 of the connection wire 91, so as to detect the rotation angle of the connection plate 84, so as to detect whether the connection plate 84 rotates in place. The driving member 83 and the air cylinder sensor 836 are used to connect with a control main machine equipped with an MES system, and an external tester is connected with the control main machine.

In this embodiment, the pressing block base 85 and the sealing plate 86 are made of metal, which can provide a better shielding effect, and the pressing block 87 is made of non-metal, so that the specific material type can be set according to practical situations.

With the above structure, in practical application of the present utility model, in the initial state, the sealing plate body 862 and the protrusion 864 of the sealing plate 86 are respectively matched with the first portion 1322 and the second portion 1323 of the hole 132, the bottom end of the pressing block 87 is located in the case 10 and is flush with the top end of the outer frame 56, and the head of the probe head 88 and the buffer elastic member 92 are partially located in the placement position 582. When the module 200 is to be placed in the placement position 582, the driving member 83 drives the connecting plate 84 to move upwards to a predetermined height, so as to drive the press block base 85, the press block 87 and the sealing plate 86 to move upwards to the predetermined height, at this time, the press block base 85, the press block 87 and the sealing plate 86 are located above the hole site 132, and the connecting plate 84 is separated from the positioning pin 824 at the top end of the fixing seat 82, then the driving member 83 drives the connecting plate 84 to rotate to a predetermined angle, for example, 90 degrees, in a clockwise direction, at this time, the press block base 85, the press block 87 and the sealing plate 86 are located at one side of the hole site 132, so that the hole site 132 is opened. The die set 200 is then placed in the placement position 582 through the hole site 132, the connecting plate 84 is driven by the driving member 83 to rotate in the counterclockwise direction to return to the initial position, at this time, the press block base 85, the press block 87 and the sealing plate 86 are located above the hole site 132, and then the connecting plate 84 is driven by the driving member 83 to move downward, so that the press block base 85, the press block 87 and the sealing plate 86 can be driven to move downward until the sealing plate 86 is matched with the hole site 132, the top ends of the positioning pins 824 are matched with the hole sites 844 of the connecting plate 84, during the downward movement, the bottom ends of the press block 87 can extend into the box 10 and press the die set 200 through the buffer elastic member 92, the die set 200 presses the floating plate 58 under the pressing force of the press block 87, the floating plate 58 floats downward under the pressing force of the die set 200 until being abutted to the top ends of the probe top plate 57, as shown in fig. 4, the ends of the second heads 593 of the plurality of test probes 59 protrude from the bottoms of the placement sites 582 and are respectively matched with the plurality of probe sites of the module 200, the bottom ends of the pressing blocks 87 extend into the box 10 and squeeze the module 200 through the buffer elastic members 92, and the heads of the probe heads 88 can extend into the box 10 and be inserted into the RF test interfaces 202 of the module 200, so that the module 200 is connected with the test assembly 50, the module 200 is connected with the RF signal input interface of the external tester through the probe heads 88, the connecting wires 91 and the SMA connecting seats 89, and the test assembly 50 is connected with the RF signal output interface of the external tester through the SMA interfaces 123, thus forming a test closed loop, and then the external tester is started to output test signals to the module 200, thus realizing the RF test of the module 200, the specific test principle is that after the test is completed, the connecting plate 84 is driven by the driving member 83 to move up to a predetermined height, and then the connecting plate 84 is driven by the driving member 83 to rotate to a predetermined angle, such as 90 degrees, for example, clockwise, so that the hole site 132 can be opened, and then the tested module 200 can be taken out from the box 10. After the module 200 is removed, the floating plate 58 will float upward to its initial position under the action of the springs built in it, at which point the ends of the second heads 593 of the plurality of test probes 59 are located in the corresponding second probe mounting holes 584.

According to the utility model, the hole site 132 is arranged at the top end of the box body 10, and the pressing mechanism 80 is arranged at one side of the box body 10, so that the pressing mechanism 80 can not only realize the effect of closing or opening the hole site 132 at the top end of the box body 10, but also play the role of pressing the module 200 onto the test assembly 50 to realize the connection between the module 200 and the test assembly 50 and the effect of plugging the probe head 88 with the RF test interface 202 of the module 200 to realize the connection between the module 200 and the RF signal input interface of an external tester.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The shielding box comprises a box body and is characterized by further comprising a testing component and a pressing mechanism, wherein a hole site is formed in the top end of the box body, the testing component is arranged in the box body and corresponds to the hole site, an interface is formed in the bottom end of the box body, and the interface is connected with the testing component;

the pressing mechanism is arranged on one side of the box body and comprises a fixed seat, a driving piece, a connecting plate, a pressing block base, a sealing plate, a pressing block, a probe head and an SMA connecting seat;

the driving piece sets up the first side of fixing base, the second side of fixing base sets up one side of box, the connecting plate is located the top of fixing base, box, the one end of connecting plate with the driving piece is connected, and the other end sets up the top of briquetting base, the driving piece is used for the drive the connecting plate is relative the fixing base reciprocates and is relative the fixing base rotates, the shrouding sets up the bottom of briquetting base and is equipped with the vacancy, the shrouding be used for with the hole site cooperatees, the briquetting sets up the bottom of briquetting base and hold in the vacancy, and briquetting part protrusion in the bottom of shrouding, the probe head sets up in the mounting hole of briquetting base and briquetting, the head protrusion of probe head in the bottom of briquetting, the end protrusion of probe head in the top of briquetting base and through the connecting wire with the SMA connecting seat is connected.

2. The shielding cage of claim 1, wherein the test assembly comprises a test board, a test socket fixing board, a test socket PCB, and a test socket arranged in that order from bottom to top;

the test seat is in including setting up probe bottom plate on test seat PCB top, setting is in frame, a plurality of test probe, probe roof and the floating plate that can float from top to bottom on probe bottom plate top, the frame has holding position, the probe roof holding in holding position is in the top of probe bottom plate, the floating plate holding in holding position and be located the top of probe roof and the floating plate with have the clearance between the probe roof, probe bottom plate and probe roof are equipped with a plurality of first probe mounting holes, the top of floating plate is equipped with the position of placing that is used for placing the module, place the position with the hole site corresponds, the bottom of placing the position is equipped with a plurality of second probe mounting holes, and every test probe corresponds a first probe mounting hole, a second probe mounting hole respectively, the test probe set up in corresponding first probe mounting hole, second probe mounting hole, the first of a plurality of test probes respectively protruding in the bottom plate and respectively with the clearance between a plurality of probe tops of probe bottom plate and the probe roof, the second probe position that is located the second probe position and the second probe position that is located when the probe position is located in the second position is corresponding to the probe press down to the module and place to the end respectively.

3. The shielding box according to claim 2, wherein a supporting frame is arranged at the bottom in the box body, and the test board is arranged at the top end of the supporting frame.

4. The shielding box according to claim 1, wherein the hole is a stepped hole and comprises a first portion, a second portion and a third portion which are sequentially communicated from top to bottom, the sealing plate comprises a sealing plate body and a protruding portion formed at the bottom end of the sealing plate body, the sealing plate body is used for being matched with the first portion, and the protruding portion is used for being matched with the second portion.

5. The shielding cage of claim 4 wherein the bottom of the first section is provided with electrically conductive sealing wool that is positioned between the bottom of the first section and the closure plate body when the closure plate body is mated with the first section.

6. The shielding box according to claim 1, wherein the bottom end of the pressing block is provided with one or more buffer elastic members.

7. The shielding box according to claim 1, wherein a locating pin is arranged at the top end of the fixing seat, and the top end of the locating pin is matched with the hole of the connecting plate.

8. The shielding cage of claim 1 wherein the drive member is a swivel clamp cylinder.

9. The shielding box according to claim 1, wherein the box body comprises a box body and an upper cover covering the opening end of the box body, the top end of the upper cover is provided with the hole site, the second side of the fixing seat is arranged on one side of the box body, and the bottom end of the box body is provided with the interface.

10. The shielding cage of claim 9 wherein the cage body and upper cover are secured by a snap fit.

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