CN211263658U

CN211263658U - Shielding box and test system

Info

Publication number: CN211263658U
Application number: CN201922196166.6U
Authority: CN
Inventors: 欧阳雄军; 陈凯
Original assignee: Shenzhen Skyworth Digital Technology Co Ltd
Current assignee: Shenzhen Skyworth Digital Technology Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-14
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a shielded cell and test system. The shielding box comprises a box body and a bearing assembly, wherein an accommodating cavity is formed in the box body, a test interface is arranged on the outer wall of the box body, and the test interface is electrically connected with an interface of a tool to be tested; the bearing assembly is movably connected with the box body and can be extended out or accommodated in the accommodating cavity, the bearing assembly comprises a bottom plate and a side plate, and the bottom plate is connected with the side plate and encloses to form an accommodating groove for accommodating a tool to be tested. The utility model discloses technical scheme's shielded cell is convenient for correctly counterpoint with the frock that awaits measuring, can improve the efficiency of test.

Description

Shielding box and test system

Technical Field

The utility model relates to a signal test technical field, in particular to shielded cell and applied this shielded cell's test system.

Background

The shielding box is a metal body which can limit the electromagnetic capacity in a certain space range and is used for inhibiting radiation interference, and conducts and radiates the metal body so as to provide an interference-free testing environment for the tested wireless communication equipment. When a tested tool is placed in the shielding box in the related art, the shielding box is generally opened through rotation to be placed, but in the mode, the sight of an operator cannot look directly into the shielding box, so that the shielding box is difficult to place in a correct alignment mode, and the testing efficiency is influenced.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shielded cell aims at being convenient for and the frock of awaiting measuring correct alignment, improves the efficiency of test.

In order to achieve the above object, the utility model provides a shielding box, include:

the test device comprises a box body, a test device and a test system, wherein a containing cavity is formed in the box body, and a test interface is arranged on the outer wall of the box body and is electrically connected with an interface of a tool to be tested; and

the bearing assembly is movably connected with the box body and can be extended out or accommodated in the accommodating cavity, the bearing assembly comprises a bottom plate and a side plate, and the bottom plate is connected with the side plate and encloses to form an accommodating groove for accommodating a tool to be tested.

Optionally, the carrying assembly includes a first driving member connected to the box, and the bottom plate is connected to the first driving member so as to be driven by the first driving member to extend out of or be accommodated in the accommodating cavity.

Optionally, a sliding block is fixed in the box body, a sliding rail is arranged on one side of the bottom plate, which faces away from the side plate, and one end of the sliding rail is embedded in the sliding block and can slide relative to the sliding block.

Optionally, the bearing assembly comprises a connecting plate connected to the side plate, and the shielding box further comprises a guide assembly, one end of the guide assembly is connected to the connecting plate, and the other end of the guide assembly is connected to the inside of the box body so as to guide the bearing assembly to move relative to the box body.

Optionally, the guide assembly comprises a guide shaft and a linear bearing, the linear bearing is arranged in the box body, one end of the guide shaft is connected with the connecting plate, and the other end of the guide shaft is matched with the linear bearing.

Optionally, the shielding box further comprises a pressing component, the pressing component is arranged in the containing cavity and can move up and down in the containing cavity, and when the bearing component is stored, the containing groove is located below the pressing component, so that the pressing component can be abutted to the tool to be tested.

Optionally, the pressing assembly comprises a second driving piece and a pressing plate connected with the second driving piece, and the accommodating groove is located below the pressing plate, so that the pressing plate can be abutted to the tool to be tested.

Optionally, the shielded cell still is equipped with the inductor that is used for the response to wait to examine the frock position.

Optionally, the bottom plate is provided with a mounting opening, and the inductor is connected to the bottom plate at the edge of the mounting opening.

The utility model also provides a test system, including test equipment and with the shielded cell that test equipment links to each other, the shielded cell includes:

the refrigerator comprises a box body, a door body and a door body, wherein an accommodating cavity is formed in the box body; and

The utility model discloses technical scheme's shielded cell is formed with in the box and holds the chamber, and the carrier assembly swing joint of shielded cell in box for carrier assembly can stretch out or accomodate in holding the chamber. Consequently when placing the frock that awaits measuring and testing, can stretch out earlier bearing assembly and hold the chamber, then will await measuring the frock and place in the storage tank that closes formation by bottom plate and curb plate enclosure, after the counterpoint is placed to the accuracy, accomodate into bearing assembly again and shield the back test. In the mode, the operation is carried out outside the box body when the tool to be tested is placed, so that the operator can observe and align conveniently, and the efficiency of the testing process is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the shielding box of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;

fig. 4 is a schematic diagram of the exploded structure of fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Box body	110	Containing cavity
120	Sliding block	130	Test interface
				200	Bearing assembly	210	Base plate
211	Mounting port	212	Sliding rail
				220	Side plate	221	Gap
230	Containing groove	240	First driving member
				250	Connecting plate	251	Connecting part
300	Pressing component	310	Second driving member
				320	Pressing plate	400	Guide assembly
410	Guide shaft	420	Linear bearing
				500	Shielding box

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a test system.

In the embodiment of the present invention, the test system includes a test device and a shielding box 500 connected to the test device. The test system can be used for testing wireless communication equipment (such as a set top box and the like). The test equipment is provided with test software for testing signals, and the shielding box 500 is provided with the test interface 130, so that the test equipment can be electrically connected with a tool to be tested in the shielding box 500 through the test interface 130.

The tool to be tested is a combination of a product to be tested (such as a circuit board and the like) and a testing tool, when the test is needed, for example, when a 5G signal test is carried out, the product to be tested is placed on the testing tool and is electrically connected with the testing tool, then the product to be tested and the testing tool are placed into the shielding box 500 together, and an interference-free testing environment is provided through the shielding box 500.

Referring to fig. 1 to 4 in combination, in the embodiment of the present application, the shielding box 500 includes a box body 100 and a carrying assembly 200. The containing cavity 110 is formed in the box body 100, the outer wall of the box body 100 is provided with a test interface 130, and the test interface 130 is electrically connected with an interface of a tool to be tested; the bearing assembly 200 is movably connected to the box 100 and can extend out of or be accommodated in the accommodating cavity 110, the bearing assembly 200 includes a bottom plate 210 and a side plate 220, and the bottom plate 210 is connected to the side plate 220 and encloses a containing groove 230 for containing a tool to be tested.

Specifically, the housing 100 may be a shielding body made of an electrically or magnetically conductive material, and may be a metal body capable of limiting electromagnetic capability within a certain spatial range for suppressing radiation interference. The shape of the box 100 can be designed in various forms, such as a rectangular parallelepiped, a square, or other reasonable and effective forms. The size of the box 100 can be adaptively set according to the size of a specific tool to be tested.

The carrying assembly 200 is mainly a carrier for supporting the tool to be tested, and when the carrying assembly 200 extends out of the accommodating cavity 110, the carrying assembly 200 can extend out of the side portion of the box 100, that is, the extending opening of the box 100 is located at the side portion of the box 100, so that the carrying assembly 200 can move in the horizontal direction in the process of extending out and accommodating, and the stability of the tool to be tested accommodated in the accommodating groove 230 can be ensured.

The bottom plate 210 and the side plate 220 may be an integral structure, or the bottom plate 210 and the side plate 220 may be separate structures, but are fixedly connected into a whole by means of screw connection, snap connection, or the like. In an embodiment of the application, the number of the side plates 220 is plural, the plurality of side plates 220 surround the periphery of the bottom plate 210, and the two side plates 220 arranged oppositely are further provided with notches 221, so that when the bearing assembly 200 is accommodated in the accommodating cavity 110, a tool to be tested in the accommodating groove 230 can be connected by a wire through the notches 221 on the side plates 220, thereby facilitating the electrical connection with the testing equipment.

Therefore, the utility model discloses technical scheme's shielded cell 500 when placing the frock of awaiting measuring and testing, can stretch out earlier carrier assembly 200 and hold chamber 110, then will await measuring the frock and place in enclosing the storage tank 230 that closes formation by bottom plate 210 and curb plate 220, after the counterpoint is placed to the accuracy, accomodate into carrier assembly 200 again and shield the back test. In the mode, the operation is carried out outside the box body 100 when the tool to be tested is placed, so that the observation and alignment of an operator are facilitated, and the efficiency of a testing procedure is greatly improved.

To accomplish the process of extending and receiving the load bearing assembly 200, referring to fig. 2, the present application provides an embodiment wherein: the carrying assembly 200 includes a first driving member 240 connected to the box 100, and the bottom plate 210 is connected to the first driving member 240 so as to be driven by the first driving member 240 to extend out of or be received in the accommodating cavity 110.

Specifically, first driving piece 240 can be drive actuating cylinder or linear electric motor, for example, when first driving piece 240 is for driving actuating cylinder, the cylinder body that drives actuating cylinder can locate the bottom that holds chamber 110, and it is fixed with the interior wall connection of box 100 through screw connection or welded mode, the piston rod that drives actuating cylinder then accessible transmission rod is connected with bottom plate 210, consequently, when driving actuating cylinder action, accessible piston rod motion drives bottom plate 210 and carries out concertina movement, thereby make bearing assembly 200 wholly can stretch out or accomodate in holding chamber 110, when the frock that awaits measuring needs to be placed, shielded cell 500 can be opened with the mode of drawer, make operator's sight can observe the position of placing completely, thereby be convenient for carry out accurate counterpoint to the frock that awaits measuring, effectively improved test procedure's efficiency.

Further, referring to fig. 3 and 4 in combination, in an embodiment of the present application, a slider 120 is fixed in the box 100, a slide rail 212 is disposed on a side of the bottom plate 210 opposite to the side plate 220, and one end of the slide rail 212 is embedded in the slider 120 and can slide relative to the slider 120. Two sliding rails 212 can be arranged and are respectively located on two opposite sides of the bottom plate 210, the extending direction of the sliding rails 212 is the same as the moving direction of the bottom plate 210, similarly, two sliding blocks 120 are also arranged corresponding to the sliding rails 212 and are respectively matched with the two sliding rails 212, and the sliding blocks 120 can be fixed at the bottom of the accommodating cavity 110. By the arrangement, the bearing assembly 200 can move in an auxiliary manner by matching the sliding rail 212 with the sliding block 120 in the moving process, so that the movement of the bearing assembly 200 is more stable.

Further, with continued reference to fig. 3 and 4, in an embodiment of the present application, the bearing assembly includes a connecting plate 250 connected to the side plate 220, and the shielding box 500 further includes a guiding assembly 400, where one end of the guiding assembly 400 is connected to the connecting plate 250, and the other end of the guiding assembly 400 is connected to the inside of the box body 100 to guide the bearing assembly 200 to move relative to the box body 100. The connection plate 250 may be disposed at a side opposite to the opening of the receiving cavity 110, and the connection plate 250 extends to a position below the bottom plate 210, that is, a certain distance is formed between the lower edge of the connection plate 250 and the bottom plate 210, and a connection portion 251 connected to the guide assembly 400 is formed at a lower portion of the connection plate 250, so that the guide assembly 400 can guide the extending and receiving movement of the whole carrying assembly 200 after being connected to the connection portion 251, and the direction of the movement is kept consistent with the driving direction of the first driving member 240 without easily deviating, so as to meet the precision requirement required by the test.

In one embodiment, the guide assembly 400 includes a guide shaft 410 and a linear bearing 420, the linear bearing 420 is disposed in the box 100, one end of the guide shaft 410 is connected to the connection plate 250, and the other end of the guide shaft is engaged with the linear bearing 420. Specifically, the linear bearing 420 may be embedded and fixed in the space of the box 100 below the accommodating cavity 110, the guide shaft 410 is matched with the linear bearing 420 and then penetrates out of the box 100 to be connected with the connecting plate 250, because the linear bearing 420 is a linear motion system, when the linear stroke is matched with the guide shaft 410 for use, the bearing ball of the linear bearing 420 is in point contact with the bearing outer sleeve, and the steel ball rolls with the minimum friction resistance, therefore, the linear bearing 420 has small friction and is relatively stable, does not change along with the bearing speed, and can obtain stable linear motion with high sensitivity and high precision. In this embodiment, two sets of linear bearings 420 can be engaged with the guide shaft 410, and are respectively disposed on two opposite sides of the connecting plate 250, so that the movement of the carriage assembly 200 can be more consistent through the engagement of the two sets of linear bearings 420 with the guide shaft 410.

Of course, in other embodiments, the guiding assembly 400 may be formed by a slide bar and a slide way, and the installation structure thereof may refer to the matching manner of the guiding shaft 410 and the linear bearing 420, which will not be described in detail herein.

After the tool to be tested is received in the receiving cavity 110, the product to be tested (e.g., a circuit board) and the testing tool need to be pressed together, so that the contact probes of the product to be tested and the contact probes of the testing tool are conducted. In order to facilitate the contact and conduction of the contact probe between the tools to be tested, referring to fig. 2 and 4, in the embodiment of the present application, the shielding box 500 further includes a pressing component 300, the pressing component 300 is disposed in the accommodating cavity 110 and can move up and down in the accommodating cavity 110, when the bearing component 200 is accommodated, the accommodating groove 230 is located below the pressing component 300, so that the pressing component 300 can abut against the tools to be tested. So, when the frock that awaits measuring is accomodate in holding chamber 110, thereby the pressure of storage tank 230 top covers subassembly 300 descending motion and carries out the pressfitting to the frock that awaits measuring and realize the circuit and switch on, and after the test was accomplished, the pressure covered subassembly 300 ascending motion, and then bearing component 200 stretches out and takes out the product that awaits measuring, and whole process is convenient for automize and is controlled.

Specifically, the pressing assembly 300 of the present application includes a second driving member 310 and a pressing plate 320 connected to the second driving member 310, and the accommodating groove 230 is located below the pressing plate 320, so that the pressing plate 320 can abut against a tool to be tested. Wherein, second driving piece 310 can make and drive actuating cylinder, linear electric motor etc. and second driving piece 310 can set up two to correspond and set up in holding the relative both sides in chamber 110, drive clamp plate 320 elevating movement and pressfitting frock that awaits measuring through second driving piece 310 action from this, can not lead to the fact the damage to product and the testing tool that awaits measuring, the automated control of also being convenient for simultaneously.

Further, in an embodiment of the present application, the shielding box 500 is further provided with a sensor (not shown) for sensing a position of the tool to be inspected. The sensor is a device which receives a signal or a stimulus and reacts to convert a physical quantity or a chemical quantity to be measured into another corresponding output, and specifically, the sensor may be a position sensor, for example, a position sensor of the type EX-14A. Through setting up the inductor, can lay and detect the position of awaiting measuring product and testing tool behind storage tank 230 at the frock that awaits measuring, after detecting both correct counterpoints, accomodate again and test in holding chamber 110 to realize automated control.

In the embodiment of the present application, the bottom plate 210 is provided with a mounting opening 211, and the sensor is connected to the bottom plate 210 at an edge of the mounting opening 211. Wherein, installing port 211 can set up to rectangular form, can show by installing port 211 after inductor connecting plate 210, consequently after the frock that awaits measuring puts into storage tank 230, can be by the position of the real-time response monitoring product that awaits measuring of inductor of bottom, the inductor sets up in installing port 211 edge simultaneously and also can not cause the interference to the frock that awaits measuring.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A shielding cage, comprising:

2. The shielding box of claim 1, wherein the carrying assembly includes a first driving member connected to the box body, and the bottom plate is connected to the first driving member so as to be extended or received in the accommodating cavity by the first driving member.

3. The shielding box of claim 2, wherein a sliding block is fixed in the box body, a sliding rail is arranged on one side of the bottom plate opposite to the side plate, and one end of the sliding rail is embedded in the sliding block and can slide relative to the sliding block.

4. The shielding cage of claim 2, wherein said carriage assembly includes a connecting plate connected to said side plate, said cage further comprising a guide assembly connected at one end to said connecting plate and at another end to said cage body for guiding movement of said carriage assembly relative to said cage body.

5. The shielding cage according to claim 4, wherein said guide assembly includes a guide shaft and a linear bearing, said linear bearing being disposed in said cage body, one end of said guide shaft being connected to said connecting plate, the other end of said guide shaft being engaged with said linear bearing.

6. The shielding box according to any one of claims 1 to 5, further comprising a pressing component, wherein the pressing component is disposed in the accommodating cavity and can move up and down in the accommodating cavity, and when the bearing component is accommodated, the accommodating groove is located below the pressing component, so that the pressing component can abut against a tool to be tested.

7. The shielding box of claim 6, wherein the pressing assembly comprises a second driving member and a pressing plate connected with the second driving member, and the accommodating groove is located below the pressing plate so that the pressing plate can abut against a tool to be tested.

8. The shielding box according to any one of claims 1 to 5, characterized in that the shielding box is further provided with a sensor for sensing the position of the tool to be inspected.

9. The shielding cage of claim 8, wherein said bottom plate defines a mounting opening, and said inductor is coupled to said bottom plate at an edge of said mounting opening.

10. A test system comprising test equipment and a shielding cage according to any one of claims 1 to 9 connected to the test equipment.