Shielding box and test system

Abstract

The utility model discloses a shielding box and a test system, and relates to the technical field of signal test, the shielding box comprises a box body, a cover body arranged on the box body and an auxiliary test mechanism arranged in the box body, a fixed column is fixedly arranged on the side wall in the box body, an interface electrically connected with the auxiliary test mechanism is arranged on the side wall outside the box body, and the fixed column is fixedly arranged on the side wall outside the box body. The auxiliary testing mechanism comprises a carrier plate detachably connected to the fixing column and a testing tool arranged on the carrier plate, and the carrier plate is provided with a probe electrically connected with the interface and penetrating through the testing tool. The first telescopic piece drives the cover body to move vertically, and the second telescopic piece drives the first telescopic piece to move horizontally. The auxiliary testing mechanism is in threaded connection with the fixing column through the bolt, the structure is simple, disassembly and assembly are convenient, and different auxiliary testing mechanisms can be rapidly replaced. And through the arrangement of the first telescopic part, the first auxiliary assembly, the second telescopic part and the second auxiliary assembly, the cover body can be automatically controlled, and the working efficiency of operators is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to signal test technical field especially relates to a shielding box and test system. BACKGROUND

[0002] In order to ensure that the carrier communication unit has good wireless transmission function, it needs to test the wireless transmission function. In order to ensure the accuracy of the test results, the carrier communication unit cannot be affected by the external environment, therefore, the carrier communication unit to be tested needs to be placed in the shielding box and fixed by the auxiliary test structure for testing. The shielding box is a shielding body made of conductive or magnetic material in various shapes, which can limit electromagnetic ability within a certain space range, used to suppress the interference of radiation, and process conduction and radiation to provide an interference-free test environment for the carrier communication unit to be tested.

[0003] The existing Chinese patent document with the publication number CN221056598U discloses a chip test mechanism with a protection structure, which comprises a test box, an adjusting protection structure is arranged in the test box, a quality inspection chip is arranged in the test box, a heating box is fixedly connected to the back of the test box, a gas cylinder is fixedly installed on the inner top wall of the test box, and a test probe is movably connected to the bottom of the gas cylinder. The bottom of the gas cylinder is movably connected with a piston push rod, and the bottom of the piston push rod is fixedly connected with the test probe. The gas cylinder drives the piston push rod to drive the test probe to detect the performance of the quality inspection chip.

[0004] However, there are different product type differences in the carrier communication unit, and different probes are needed for testing different carrier communication units. When the carrier communication unit to be tested is replaced, the probe also needs to be replaced. The probe in the above patent is fixedly installed at the bottom of the piston push rod, which is more troublesome to replace, increases the consumption of redundant working hours, and is time-consuming and laborious. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a shielding box which can quickly replace the auxiliary test structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a shielding box, comprising a box body, a cover body arranged on the box body, and an auxiliary test mechanism arranged in the box body, a fixed column is fixedly installed on the side wall in the box body, an interface electrically connected with the auxiliary test mechanism is arranged on the side wall outside the box body, the auxiliary test mechanism comprises a carrier plate detachably connected with the fixed column and a test tool arranged on the carrier plate, and a probe electrically connected with the interface and penetrating through the test tool is arranged on the carrier plate.

[0007] The utility model discloses a technical principle as follows: test tool and the integral setting of carrier board, and the probe of different distribution is provided on the carrier board of different test tool, when needing testing different carrier wave communication unit, the whole auxiliary test mechanism can be replaced, and the simple structure is convenient to dismount.

[0008] Further, the carrier plate is provided with an elastic assembly, the test tool is arranged on the elastic assembly, and the test tool can abut against the carrier plate.

[0009] Further, the cover is detachably connected with a pressing plate abutting against the test tool.

[0010] Further, the pressing plate is provided with a spring pressing rod abutting against the test tool on the surface away from the cover.

[0011] Further, the sidewall of the box body is provided with a filter.

[0012] Another purpose of the utility model is to provide a test system which can automatically control the cover.

[0013] In order to achieve the above object, the utility model adopts the following technical scheme: a test system, comprising the shielding box as described above, further comprising a first telescopic part driving the cover to vertically move and a second telescopic part driving the first telescopic part to horizontally move.

[0014] Further, it further comprises a first auxiliary assembly, the first auxiliary assembly comprising an auxiliary frame arranged on the sidewall of the first telescopic part, a first sliding rail fixedly installed on the auxiliary frame and a sliding block slidingly connected on the sliding rail, the cover is horizontally fixedly installed on the sliding block, and the first telescopic part is fixedly installed on the power output shaft of the second telescopic part.

[0015] Further, it further comprises a second auxiliary assembly, the second auxiliary assembly comprising a second sliding rail and a sliding seat horizontally slidingly connected on the second sliding rail, the sliding seat is arranged on the power output shaft of the second telescopic part, and the first telescopic part is fixedly installed on the sliding seat.

[0016] The utility model has the advantages of:

[0017] 1, the probe of different distribution can be replaced by replacing the auxiliary test mechanism, corresponding to different carrier wave communication units, the simple structure is convenient to dismount, and different auxiliary test mechanisms can be quickly replaced;

[0018] 2, by the setting of the pressing plate and the spring pressing plate, the carrier wave communication unit can be limited when testing the wireless transmission function of the carrier wave communication unit, the stability of testing is guaranteed, and the stability of test result is guaranteed;

[0019] 3. The first telescopic part, the first auxiliary assembly, the second telescopic part and the second auxiliary assembly are arranged, so that the cover body can be automatically controlled, and the work efficiency of the operator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a second structural schematic view of the utility model;

[0022] Figure 3 It is an elevation view of the utility model;

[0023] Figure 4 It is a sectional view of the utility model;

[0024] Figure 5 It is a structural schematic view of the cover body and the pressing plate.

[0025] In the above drawings:

[0026] 1, box body; 101, fixed column; 102, interface; 2, cover body; 3, pressing plate; 301, magnet; 302, spring pressing rod;

[0027] 4, auxiliary testing mechanism; 401, carrier plate; 402, testing tool; 403, probe;

[0028] 5, filter; 6, first telescopic part; 7, second telescopic part;

[0029] 8, first auxiliary assembly; 801, auxiliary frame; 802, first sliding rail; 803, sliding block;

[0030] 9, second auxiliary assembly; 901, second sliding rail; 902, sliding seat. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The structures described in various embodiments can be freely combined without structural or principle conflicts.

[0032] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "joint", "fix" and so on should be broad sense understanding, for example, can be fixed connection, also can be through bolt thread connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be direct connection, also can be indirectly connected through the intermediate medium, can be the communication or the interaction of two elements of two elements inside.For the ordinary skill in the art, the above terms can be understood according to the specific circumstances the specific meaning of the utility model.

[0033] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0034] Some embodiments of the utility model will be described below in conjunction with the drawings:

[0035] As Figures 1-5 shown, the utility model provides a shielding box, including box 1, set up on the box 1 lid 2 and set up in the auxiliary test mechanism 4 of box 1, the fixed column 101 is fixedly installed on the lateral wall in the box 1, the interface 102 that is electrically coupled with auxiliary test mechanism 4 is arranged on the lateral wall outside the box 1, auxiliary test mechanism 4 includes the load plate 401 that can be detachably connected on the fixed column 101 and the test tool 402 that is arranged on the load plate 401, the probe 403 that is electrically coupled with interface 102 and penetrates test tool 402 is arranged on the load plate 401.

[0036] The connection between load plate 401 and fixed column 101 can be bolted connection, buckle connection or magnetic attraction, which ensures that auxiliary test mechanism 4 can be conveniently mounted or dismounted on fixed column 101.

[0037] Place the carrier communication unit to be tested on the test tool 402, the probe 403 on the load plate 401 contacts the carrier communication unit to be tested, and the serial port instruction can be sent to the measured module through the computer through the interface 102, realizing the test process communication connection.

[0038] Further, the carrier plate 401 is provided with an elastic assembly (not shown in the figure), and the test tool 402 is arranged on the elastic assembly and can abut against the carrier plate 401.

[0039] The elastic assembly comprises a limiting column and an elastic piece. The limiting column is fixedly installed on the carrier plate 401 and penetrates through the test tool 402 to limit the test tool 402, so that the test tool 402 can stably move up and down in the vertical direction. The elastic piece can ensure the rebound of the test tool 402. When the cover 2 is pressed down, the test tool 402 can be pressed down to abut against the carrier plate 401, and at the same time, the probe 403 can abut against the carrier communication unit to be tested to realize the communication connection in the test process.

[0040] The elastic assembly can also only comprise a plurality of springs, which can ensure that the test tool 402 can rebound after being pressed down.

[0041] Further, as shown in Figure 5 , the cover 2 is detachably connected with a pressing plate 3 abutting against the test tool 402.

[0042] The carrier communication unit has different product types, and therefore the test tool 402 is also different, so that the pressing plate 3 needs to be replaced when the auxiliary test mechanism 4 is replaced. The pressing plate 3 can be connected with the cover 2 through screw threads, magnetic attraction, clamping, etc., so that the pressing plate 3 can be conveniently installed or detached on the cover 2. Here, the magnetic attraction mode is preferred. A strong magnet 301 is fixedly installed on the side of the pressing plate 3 close to the cover 2, so that the pressing plate 3 can be conveniently installed or detached through the strong magnet 301.

[0043] Further, as shown in Figure 5 , the surface of the side of the pressing plate 3 away from the cover 2 is provided with a spring pressing rod 302 abutting against the test tool 402.

[0044] The spring pressing rod 302 has a plurality of groups, and different groups of the spring pressing rod 302 can have a plurality of combinations according to different test tools 402, which are not on the pressing plate 3, so that the spring pressing rod 302 can abut against the test tool 402. After the cover 2 is pressed down, the elastic assembly is compressed, so that the test tool 402 abuts against the carrier plate 401; at the same time, the spring pressing rod 302 is also compressed to further limit the test tool 402, so as to ensure the stability in the test process.

[0045] Further, as shown in Figure 1 , Figure 2 and Figure 4 , the side wall of the box body 1 is provided with a filter 5.

[0046] The filter 5 is provided with a USB interface 102 penetrating the box 1, a test computer PC is connected with the box 1 through a USB extension line, inside the box 1, test probes 403TXD, RXD, GND are connected with the USB port of the filter 5 through a USB to TTL serial port line, so that the measured module inside the box 1 and the test computer PC outside the box 1 establish a communication link.

[0047] In addition, the box 1 is provided with three SMA interfaces 102 penetrating the box 1, which are used for the requirement of connecting the test equipment such as shielding instrument and comprehensive instrument to the measured communication unit. Through the setting of the filter 5, the influence of other signals in the environment can be filtered out, and the accuracy of the test result is further improved.

[0048] As shown in Figures 1-5 , a test system comprises the shielding box as described above, and further comprises a first telescopic member 6 driving the cover 2 to move vertically and a second telescopic member 7 driving the first telescopic member 6 to move horizontally.

[0049] The first telescopic member 6 and the second telescopic member 7 can be telescopic motors or telescopic cylinders. The telescopic cylinder has a simpler structure, lower cost and simpler maintenance, so it is preferred to be a telescopic cylinder. By controlling the first telescopic member 6 and the second telescopic member 7, the cover 2 can be controlled to move up and down or left and right, so as to facilitate the opening and closing of the cover 2, and further improve the work efficiency.

[0050] Further, as shown in Figures 1-4 , it further comprises a first auxiliary assembly 8, the first auxiliary assembly 8 comprises an auxiliary frame 801 arranged on the side wall of the first telescopic member 6, a first sliding rail 802 fixedly installed on the auxiliary frame 801 and a sliding block 803 slidingly connected on the sliding rail, the cover 2 is horizontally fixedly installed on the sliding block 803, and the first telescopic member 6 is fixedly installed on the power output shaft of the second telescopic member 7.

[0051] The auxiliary frame 801 can increase the installation area of the first sliding rail 802, so as to increase the width of the first sliding block 803, and further increase the contact area of the first sliding block 803 and the cover 2. When the first telescopic member 6 is in the shortest stroke position, the cover 2 tightly covers on the box 1, and the elastic assembly and the spring pressing rod 302 are both in the compressed state, and the cover 2 is controlled by the first telescopic member 6 and will not pop up, which can ensure the accuracy of the test result.

[0052] Further, as shown in Figures 1-4 Figures 1-4 , it further comprises a second auxiliary assembly 9, the second auxiliary assembly 9 comprises a second sliding rail 901 and a sliding seat 902 slidingly connected horizontally on the second sliding rail 901, the sliding seat 902 is arranged on the power output shaft of the second telescopic member 7, and the first telescopic member 6 is fixedly installed on the sliding seat 902.

[0053] The second slide rail 901 is two, and the two second slide rails 901 are arranged on the two sides of the second telescopic part 7 along the vertical center surface of the second telescopic part 7. The sliding seat 902 is provided with a through slot matched with the shape of the second telescopic part 7. The sliding seat 902 slides horizontally on the second slide rail 901, and part of the sliding seat 902 can be arranged on the upper side of the second telescopic part 7. The second telescopic part 7 can drive the first telescopic part 6 and the first auxiliary assembly 8 to move synchronously, so as to control the horizontal movement of the cover body 2.

Claims

1. A shielded box, characterized by: The utility model relates to a shielding box, including box (1), set up on the box (1) cover (2) and set up in the auxiliary test mechanism (4) in box (1), the fixed mounting of fixed column (101) is installed on the lateral wall in box (1), the interface (102) of the lateral wall outside box (1) is provided with and is electrically coupled with auxiliary test mechanism (4), auxiliary test mechanism (4) includes the load plate (401) of detachable connection in fixed column (101) and sets up the test tooling (402) on load plate (401), is provided with with interface (102) electrically coupled and the probe (403) of the test tooling (402) of passing through on load plate (401).

2. A shielded case according to claim 1, wherein, The elastic assembly is arranged on the load plate (401), the test tooling (402) is arranged on the elastic assembly, and the test tooling (402) is abuttable with the load plate (401).

3. A shielded case according to claim 1 or 2, characterized in that The cover (2) is detachably connected with the pressing plate (3) abutting the test tooling (402).

4. A shielded enclosure according to claim 3, wherein, The surface of the pressing plate (3) away from the cover (2) is provided with the spring pressing rod (302) abutting the test tooling (402).

5. A shielded case according to claim 1, 2 or 4, wherein, The lateral wall of the box (1) is provided with a filter (5).

6. The shielded enclosure of claim 3, wherein, The lateral wall of the box (1) is provided with a filter (5).

7. A test system, characterized by The shielding box also includes a first telescopic member (6) driving the cover (2) to move vertically and a second telescopic member (7) driving the first telescopic member (6) to move horizontally.

8. The test system of claim 7, wherein, The first auxiliary assembly (8) includes an auxiliary frame (801) arranged on the lateral wall of the first telescopic member (6), a first sliding rail (802) fixedly installed on the auxiliary frame (801), and a sliding block (803) slidingly connected to the sliding rail, the cover (2) is horizontally fixedly installed on the sliding block (803), and the first telescopic member (6) is fixedly installed on the power output shaft of the second telescopic member (7).

9. A test system as claimed in claim 7 or 8, characterised in that, The second auxiliary assembly (9) includes a second sliding rail (901) and a sliding seat (902) horizontally slidingly connected to the second sliding rail (901), the sliding seat (902) is arranged on the power output shaft of the second telescopic member (7), and the first telescopic member (6) is fixedly installed on the sliding seat (902).

Images