Shielding device

Abstract

The utility model provides a shielding device, and belongs to the technical field of chip detection. Comprising a bottom shell, a side opening is formed in one side of the bottom shell, a sealing cover is hinged to the top of the other side, and a sealing baffle in butt joint with the side opening is fixed to the top of the sealing cover; two abutting plates capable of moving up and down are symmetrically and elastically installed on the two sides of the bottom in the bottom shell, and the two abutting plates are matched with the bottom face of the bottom shell to jointly and elastically fix a chip detection tool. The bottom of the sealing cover is connected with a grounding wire. Two horizontal fixing plates are fixed to the inner wall of the side, away from the side opening, of the bottom shell, and the two abutting plates are elastically installed at the bottoms of the two fixing plates correspondingly. A plurality of vertical movable columns are fixed to the upper end face of the abutting plate, the top ends of the movable columns are vertically inserted into the bottom of the fixed plate, a plurality of springs are fixed to the lower end face of the fixed plate, and the lower ends of the springs are connected with the abutting plate. According to the utility model, electromagnetic interference on a chip test can be prevented, the universality is high, and the overall use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip detection technical field, especially a shielding device. BACKGROUND

[0002] After the chip is encapsulated in the encapsulation factory, the final test of the finished product is carried out.

[0003] However, in the chip testing process, when there is a strong radio frequency signal in the test environment, such as a wireless communication device, radar and the like working nearby, these radio frequency signals can be coupled into the pins or internal circuits of the chip, causing the input signal of the chip to be disturbed, thereby affecting the functional test and performance test results of the chip

[0004] Therefore, the present application provides a shielding device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem to provide a shielding device to solve the problem that the existing chip testing device is easily disturbed by electromagnetic interference in the environment during use, affecting the chip test results.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A shielding device, comprising a bottom shell, a side opening is formed in one side of the bottom shell, and a sealing cover is hingedly connected to the top of the other side; the top of the sealing cover is fixed with a sealing baffle which is connected with the side opening;

[0008] Two abutting plates which can move up and down are symmetrically and elastically mounted on the inner bottom of the bottom shell, and the bottom surface of the bottom shell is elastically fixed with a chip detection tool through cooperation of the two abutting plates.

[0009] Optionally, the bottom of the sealing cover is connected with a grounding wire.

[0010] Optionally, two horizontal fixed plates are fixed on the inner wall of the side of the bottom shell away from the side opening, and the two abutting plates are respectively elastically mounted on the bottom of the two fixed plates.

[0011] Optionally, a plurality of vertical movable columns are fixed on the upper end surface of the abutting plate, the top end of the movable column is vertically inserted into the bottom of the fixed plate, and a plurality of springs are fixed on the lower end surface of the fixed plate, and the lower end of the spring is connected with the abutting plate.

[0012] Optionally, one end of the abutting plate towards the side opening is provided with a guide part.

[0013] Optionally, the guide part is an inclined plate structure which is inclined upward.

[0014] Optionally, a horizontal adapter port is fixed in the middle of the side of the bottom shell away from the side opening, and two ends of the adapter port are respectively located on the inner and outer sides of the bottom shell.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, thanks to the cooperation of the bottom shell and the sealing cover, the chip detection tool cover can be lifted to form a metal cover body, thereby achieving the effect of preventing electromagnetic interference and ensuring the chip test effect.

[0017] In the above scheme, thanks to the cooperation of the fixing plate and the abutting plate, the chip detection tool of different specifications can be elastically fixed in the bottom shell, so that the device has strong versatility. In addition, thanks to the setting of the adapter port, the device can also be adapted to some chip detection tools with USB structure for installation and use, further improving the versatility of the device.

[0018] In summary, the device not only prevents electromagnetic interference chip testing, but also has strong versatility and good overall use effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the utility model and, together with the specification, further serve to explain the principles of the utility model and enable a person skilled in the relevant art to implement and use the utility model.

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

[0021] Figure 2 is a structural schematic view of the bottom shell of the utility model;

[0022] Figure 3 is a structural schematic view of the utility model Figure 2 is an enlarged schematic view of the structure at A in the middle;

[0023] Figure 4 is a structural schematic view of the sealing cover of the utility model.

[0024] [REFERENCE NUMERALS]

[0025] 1, bottom shell; 101, side opening; 2, sealing cover; 201, sealing baffle; 202, grounding wire; 3, chip detection tool; 4, fixing plate; 5, abutting plate; 501, guide part; 6, movable column; 7, spring; 8, adapter port.

[0026] As shown in the drawings, in order to clearly realize the structure of the embodiment of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the ordinary skilled in the art can adjust or modify these devices and environment according to specific needs. DETAILED DESCRIPTION

[0027] The shielding device provided by the utility model will be described in detail below in combination with the drawings and specific embodiments. It should be noted that the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the utility model.

[0028] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when describing specific features, structures or characteristics in combination with embodiments, it should be within the knowledge of those skilled in the related art to realize such features, structures or characteristics in combination with other embodiments (whether or not explicitly described).

[0029] Generally, the terms can be understood at least partly from the use in the context. For example, at least partly depending on the context, the term "one or more" used herein can be used to describe any feature, structure or characteristic in the singular sense, or can be used to describe a combination of features, structures or characteristics in the plural sense. In addition, the term "based on" can be understood as not necessarily conveying a set of exclusive factors, but can instead, at least partly depending on the context, allow the existence of other factors that are not necessarily explicitly described.

[0030] It can be understood that the meanings of "on", "above" and "over" in the utility model should be interpreted in the broadest way, so that "on" not only means "directly on" something, but also includes the meaning of "on" something with intervening characteristics or layers therebetween, and "above" or "over" not only means "above" or "over" something, but also can include the meaning of "above" or "over" something without intervening characteristics or layers therebetween.

[0031] Moreover, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0032] As Figures 1-4 shown, the utility model discloses an embodiment provides a shielding device, including bottom shell 1, the bottom shell 1 one side is seted up with side mouth 101, the other side top is hinged with seal cover 2, the top of seal cover 2 is fixed with the seal baffle 201 that is butt joint with side mouth 101, bottom shell 1 and seal cover 2 cover cooperation can form metal cover body, reach the effect of preventing electromagnetic interference, and the bottom of seal cover 2 is connected with ground wire 202, can improve the effect of preventing electromagnetic interference.

[0033] Meanwhile, the bottom of the bottom shell 1 is symmetrically elastically mounted with two abutting plates 5 that can move up and down, and the bottom surface of the bottom shell 1 is elastically fixed with a chip detection tool 3 in cooperation with the two abutting plates 5.

[0034] Specifically, the inner wall of the side of the bottom shell 1 away from the side opening 101 is fixed with two horizontal fixed plates 4, the two abutting plates 5 are elastically mounted on the bottom of the two fixed plates 4 respectively, and the upper end surface of the abutting plate 5 is fixed with a plurality of vertical movable columns 6, the top end of the movable column 6 is vertically inserted into the bottom of the fixed plate 4, and the lower end surface of the fixed plate 4 is fixed with a plurality of springs 7, and the lower end of the spring 7 is connected with the abutting plate 5.

[0035] One end of the abutting plate 5 towards the side opening 101 is provided with a guide portion 501, in this embodiment, the guide portion 501 is an inclined upward inclined plate structure, which can conveniently slide the bottom of the chip detection tool 3 under the abutting plate 5 to form rapid installation.

[0036] In addition, in this embodiment, the middle of the side of the bottom shell 1 away from the side opening 101 is fixed with a horizontal adapter 8, and the two ports of the adapter 8 are located on the inner and outer sides of the bottom shell 1 respectively. Therefore, the device can also be adapted to the chip detection tool 3 with USB interface.

[0037] The working principle of the utility model provides, the shielding device, when using, the chip detection tool 3 can be covered by the cooperation of bottom shell 1 and sealing cover 2, forms the metal cover body, reaches the effect of preventing electromagnetic interference, guarantees the chip test effect beneficially.Simultaneously, when the device is adapted to use, because the chip detection tool 3 is fixed by the abutment plate 5 of the elastic installation of the fixed plate 4 lower end surface abutment, thus, the device is used to install the chip detection tool 3 of different specifications, simultaneously, the setting of cooperation adapter 8 makes the device still can adapt to some chip detection tool 3 with USB structure to install and use, further improves the versatility of the device.

[0038] In conclusion, the device can not only prevent electromagnetic interference chip test, but also has strong versatility, and good overall use effect.

[0039] The utility model covers any alternative, modification, equivalent method and scheme on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.

[0040] The above only is the preferred implementation mode of the utility model, should point out, for ordinary skill in the technical field, on the premise that without departing from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.

Claims

1. A shielding device comprising a base housing (1), characterized in that, The bottom shell (1) is provided with a side opening (101) on one side, and a sealing cover (2) is hingedly connected to the top of the other side, and the top of the sealing cover (2) is fixed with a sealing baffle (201) which is in butt joint with the side opening (101). Two abutting plates (5) which can move up and down are elastically mounted on the inner bottom of the bottom shell (1) in a symmetrical manner, and the two abutting plates (5) are elastically fixed with a chip detection tool (3) together with the bottom surface of the bottom shell (1).

2. The shielding device of claim 1, wherein, The bottom of the sealing cover (2) is connected with a grounding wire (202).

3. The shielding device of claim 1, wherein, Two horizontal fixed plates (4) are fixed on the inner wall of the side of the bottom shell (1) away from the side opening (101), and the two abutting plates (5) are respectively elastically mounted on the bottom of the two fixed plates (4).

4. The shielding device of claim 3, wherein, The upper end surface of the abutting plate (5) is fixed with a plurality of vertical movable columns (6), the top end of the movable column (6) is vertically inserted into the bottom of the fixed plate (4), and the lower end surface of the fixed plate (4) is fixed with a plurality of springs (7), and the lower end of the spring (7) is connected with the abutting plate (5).

5. The shielding device of claim 1, wherein, One end of the abutting plate (5) towards the side opening (101) is provided with a guide part (501).

6. The shielding device of claim 5, wherein, The guide part (501) is an inclined upward inclined plate structure.

7. The shielding device of claim 1, wherein, The bottom shell (1) is provided with a horizontal adapter (8) in the middle of the side away from the side opening (101), and the two ports of the adapter (8) are respectively located on the inner and outer sides of the bottom shell (1).

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