CN203811646U - Shielding testing device - Google Patents
Shielding testing device Download PDFInfo
- Publication number
- CN203811646U CN203811646U CN201420100458.XU CN201420100458U CN203811646U CN 203811646 U CN203811646 U CN 203811646U CN 201420100458 U CN201420100458 U CN 201420100458U CN 203811646 U CN203811646 U CN 203811646U
- Authority
- CN
- China
- Prior art keywords
- shielding
- proving installation
- top board
- screening cover
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a shielding testing device. The shielding testing device comprises a shielding box and a shielding testing sub clamp, the shielding testing sub clamp is disposed inside the shielding box, and copper shielding strips are disposed at joint portions of a box door and a box body of the shielding box. Due to the fact that the shielding testing sub clamp is disposed inside the shielding box, and the copper shielding strips are disposed at the joint portions of the box door and the box body of the shielding box, a circuit board is not easily interfered by extraneous signals when tested; and upper and lower shielding covers are disposed on a carrier bench, the circuit board is pressed between the upper and lower shielding covers by a transmission mechanism, so that wireless shielding effect is further enhanced.
Description
Technical field
The utility model relates to electronic product test, relates in particular to a kind of shielding proving installation.
Background technology
Often can need the mainboard of some communication products to test at present moving communicating field; but often can be owing to being subject to the interference of external wireless signals and having influence on the effect of test in the process of test, the interference problem that how to solve external wireless signals becomes problem in the urgent need to address at present.
Utility model content
in order to solve the defect existing in prior art, the utility model provides a kind of shielding proving installation, can realize communication board and test in the situation that not having wireless signal to disturb.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of shielding proving installation, is characterized in that: comprise shielded box and shielding test sub-folder tool, described shielding test sub-folder tool is arranged on the inside of shielded box, and the chamber door of described shielded box and the joint portion of casing are provided with copper shielding strip.
Preferably, described shielding test sub-folder tool comprises fixture stand, and described fixture stand comprises top board and base plate, top board and base plate be arranged in parallel, the two four jiaos connect by support leg, on the upper surface of described top board, are provided with slide rail, and that on slide rail, slides is provided with the carrier platform for carrying circuit board under test.
Preferably, be provided with lower screening cover above described carrier platform, the top of lower screening cover is provided with screening cover.
Preferably, the both sides of described slide rail are respectively equipped with two guideposts, and guidepost is perpendicular to the upper surface of top board, stretch out from the lower surface of top board through top board lower end, the upper end of guidepost is provided with lower platen, and lower end is provided with back up pad, the below connection for transmission mechanism of back up pad.
Preferably, the lower surface of described lower platen is provided with some elasticity compression legs, and described elasticity is pushed down and is arranged in array.
Preferably, described gear train comprises lobe plate, lobe plate is fixed on base plate, lobe plate is provided with driving cam, one end of driving cam is connected with one end of transmission bracket through lobe plate, the other end of driving cam is connected with handgrip, and the other end of transmission bracket and the bottom surface of back up pad are connected and fixed.
Preferably, described base plate is provided with screening cover snap close, and one end of screening cover snap close is buckled on the bottom surface of back up pad through base plate.
The beneficial effect that the utility model reaches is: by shielding test sub-folder tool being arranged on to the inside of shielded box, and be provided with copper shielding strip in the chamber door of shielded box and the joint portion of casing and make circuit board in test, be not easy to be subject to the interference of outer signals, and by arranging on carrier platform between upper and lower screening cover by gear train, circuit board is pressed in and between upper and lower screening cover, has further strengthened wireless shielding effect.
Brief description of the drawings
Fig. 1 is that a kind of proving installation shielded box chamber door that shields of the utility model is opened structural representation afterwards;
Fig. 2 is the structural representation at shielding test of the present utility model one of them visual angle of sub-folder tool;
Fig. 3 is the structural representation at shielding test of the present utility model another visual angle of sub-folder tool;
Fig. 4 is the structural representation at shielding test of the present utility model another visual angle of sub-folder tool.
Embodiment
In order to further describe technical characterstic of the present utility model and effect, below in conjunction with the drawings and specific embodiments, the utility model is described further.
Referring to figs. 1 through Fig. 4, a kind of shielding proving installation, comprises shielded box 1 and shielding test sub-folder tool 2, and described shielding test sub-folder tool 2 is arranged on the inside of shielded box 1, and the chamber door of described shielded box 1 and the joint portion of casing are provided with copper shielding strip 3.
Further, described shielding test sub-folder tool 2 comprises fixture stand 21, described fixture stand 21 comprises top board 211 and base plate 212, top board 211 be arranged in parallel with base plate 212, the two four jiaos connect by support leg, on the upper surface of described top board 212, be provided with slide rail 4, that on slide rail 4, slides is provided with the carrier platform 5 for carrying circuit board under test.
In order further to improve the effect that shields wireless signal in test process, above described carrier platform 5, be provided with lower screening cover 6, the top of lower screening cover 6 is provided with screening cover 7.
In order further to compress upper and lower shielding better to shield wireless signal, and guarantee presses down the stability in process, the both sides of described slide rail 4 are respectively equipped with two guideposts 11, guidepost 11 is perpendicular to the upper surface of top board 211, stretch out from the lower surface of top board 211 through top board 211 lower end, the upper end of guidepost 11 is provided with lower platen 9, and lower end is provided with back up pad 10, the below connection for transmission mechanism 8 of back up pad 10.
For lower platen 9 pressure in the process pressing down is kept evenly, and preventing that lower platen 9 surface and upper screening cover 7 from directly contacting causes rigidity to contact the circuit board to be tested between upper and lower screening cover is damaged by pressure, the lower surface of described lower platen 9 is provided with some elasticity compression legs 12, and described elasticity compression leg 12 is arranged in array.
Further, described gear train 8 comprises lobe plate 81, lobe plate 81 is fixed on base plate 212, lobe plate 81 is provided with driving cam 82, one end of driving cam 82 is connected with one end of transmission bracket 83 through lobe plate 81, the other end of driving cam 82 is connected with handgrip 84, and the bottom surface of the other end of transmission bracket 83 and back up pad 10 is connected and fixed.
Further, described base plate 211 is provided with screening cover snap close 13, and one end of screening cover snap close 13 is buckled on the bottom surface of back up pad 10 through base plate 211.
When use, first communication board to be tested is arranged on to upper 7, between lower 6 screening covers, after screening cover is built, carrier platform 5 is prolonged slide rail 4 shift onto lower platen 9 under, now screening cover snap close 13 is pushed open, rotate handgrip 84, drive back up pad 10 to pull lower platen 9 to pressing down by cam 82, elasticity on final lower platen 9 lower surfaces is pushed down 12 and is pressed in uniformly on screening cover 7, upper 7, lower 6 screening covers are provided with the die cavity corresponding with communication board to be tested, and then the chamber door of shutting shielded box 1 can be tested, see inner structure of the present utility model clearly for clearer, chamber door is omitted in the drawings.
Above-described embodiment does not limit the utility model in any form, and all technical schemes of taking the form that is equal to replacement or equivalent transformation to obtain, within all dropping on protection domain of the present utility model.
Claims (7)
1. a shielding proving installation, it is characterized in that: comprise shielded box (1) and shielding test sub-folder tool (2), described shielding test sub-folder tool (2) is arranged on the inside of shielded box (1), and the chamber door of described shielded box (1) and the joint portion of casing are provided with copper shielding strip (3).
2. a kind of shielding proving installation according to claim 1, it is characterized in that: described shielding test sub-folder tool (2) comprises fixture stand (21), described fixture stand (21) comprises top board (211) and base plate (212), top board (211) be arranged in parallel with base plate (212), the two four jiaos connect by support leg, on the upper surface of described top board (212), be provided with slide rail (4), what slide rail (4) above slided is provided with the carrier platform (5) for carrying circuit board under test.
3. a kind of shielding proving installation according to claim 2, is characterized in that: be provided with lower screening cover (6) in the top of described carrier platform (5), the top of lower screening cover (6) is provided with screening cover (7).
4. a kind of shielding proving installation according to claim 2, it is characterized in that: the both sides of described slide rail (4) are respectively equipped with two guideposts (11), guidepost (11) is perpendicular to the upper surface of top board (211), stretch out from the lower surface of top board (211) through top board (211) lower end, the upper end of guidepost (11) is provided with lower platen (9), lower end is provided with back up pad (10), the below connection for transmission mechanism (8) of back up pad (10).
5. a kind of shielding proving installation according to claim 4, is characterized in that: the lower surface of described lower platen (9) is provided with some elasticity compression legs (12), and described elasticity compression leg (12) is arranged in array.
6. a kind of shielding proving installation according to claim 4, it is characterized in that: described gear train (8) comprises lobe plate (81), lobe plate (81) is fixed on base plate (212), lobe plate (81) is provided with driving cam (82), one end of driving cam (82) is connected with one end of transmission bracket (83) through lobe plate (81), the other end of driving cam (82) is connected with handgrip (84), and the bottom surface of the other end of transmission bracket (83) and back up pad (10) is connected and fixed.
7. a kind of shielding proving installation according to claim 4, it is characterized in that: described base plate (211) is provided with screening cover snap close (13), one end of screening cover snap close (13) is buckled on the bottom surface of back up pad (10) through base plate (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100458.XU CN203811646U (en) | 2014-03-06 | 2014-03-06 | Shielding testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100458.XU CN203811646U (en) | 2014-03-06 | 2014-03-06 | Shielding testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811646U true CN203811646U (en) | 2014-09-03 |
Family
ID=51450379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420100458.XU Expired - Fee Related CN203811646U (en) | 2014-03-06 | 2014-03-06 | Shielding testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837719A (en) * | 2014-03-06 | 2014-06-04 | 昆山市力格自动化设备有限公司 | Shield testing device |
| CN105974298A (en) * | 2016-05-04 | 2016-09-28 | 惠州Tcl移动通信有限公司 | Shielding box for pneumatically testing circuit boards and circuit board testing method |
-
2014
- 2014-03-06 CN CN201420100458.XU patent/CN203811646U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837719A (en) * | 2014-03-06 | 2014-06-04 | 昆山市力格自动化设备有限公司 | Shield testing device |
| CN105974298A (en) * | 2016-05-04 | 2016-09-28 | 惠州Tcl移动通信有限公司 | Shielding box for pneumatically testing circuit boards and circuit board testing method |
| CN105974298B (en) * | 2016-05-04 | 2019-03-15 | 惠州Tcl移动通信有限公司 | Circuit board pneumatically tests shielded box and circuit board detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20160306 |