CN209594194U - A kind of novel shielding case - Google Patents
A kind of novel shielding case Download PDFInfo
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- CN209594194U CN209594194U CN201821662850.8U CN201821662850U CN209594194U CN 209594194 U CN209594194 U CN 209594194U CN 201821662850 U CN201821662850 U CN 201821662850U CN 209594194 U CN209594194 U CN 209594194U
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- front door
- cabinet
- antenna
- shielding case
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Abstract
The utility model discloses a kind of novel shielding casees, it includes cabinet, front door module, Anneta module, the front door module is adapted with the cabinet, the Anneta module is mounted on the box house, the cabinet wall is equipped with shielded layer, the cabinet includes upper plate, lower plate, right baffle-plate, right shell body, the lower plate is equipped with driving device, the driving device includes cylinder and piston rod, the front door module includes front door, test carrier plate and connecting plate, the test carrier plate is fixedly connected with front door, the upper end of the connecting plate is fixedly connected with front door, the lower end of the connecting plate is fixedly connected with the piston rod, the Anneta module includes antenna and antenna mounting seat, the antenna is articulated on the antenna mounting seat, the antenna mounting seat is fixedly mounted on the lower plate.Compared with prior art, the utility model has many advantages, such as that simple assembly, accurate testing, isolation are high.
Description
Technical field
The utility model relates to field of communication technology more particularly to a kind of novel shielding casees.
Background technique
For radio communication product production firm, product cannot appear on the market in time or upper amount bring is big volume production rapidly
The loss of value and profit, and directly affect the expansion of follow-up business and the market share.Radio frequency testing technique is usually the nothings such as mobile phone
The most complicated in line communication class equipment producing line, the maximum process of influence, the generally also bottleneck of producing line.Radio frequency testing station usually by
Several parts such as test instrumentation, shielded box, test software are constituted, and can usually be divided into calibration test, integration test, antenna measurement etc. again
Etc. several classes.Due to the requirement of production capacity, usual radio frequency testing technique is run parallel by multiple identical testing stations.Some or certain surveys
The percent of pass of trial work position is relatively low；Output reduction will lead to producing line bottleneck, production cost increases severely, and to find out its cause, can substantially divide
Are as follows: environmental factors, the uncertain of test such as (accidentally survey problem), radio frequency interference are asked the problem of product design or material reason, test
Topic.
Electromagnetic interference/EMI is the problem that entire electronic field must face and overcome, generally in radio communication product
Such as: mobile phone, wireless network card, wireless router, wireless headset, bluetooth headset, wi-fi, wimax, data card, intercom,
RFID etc. wireless telecommunications class equipment and wireless telecommunications generic module etc. are all by using penetrating during carrying out plate survey, surveying eventually
Frequency test shielded box tests environment to improve.
Shielded box is that electromagnetic capability is limited in one using shield of various shapes made of conductive or permeability magnetic material
Determine in spatial dimension, handled for inhibiting the metallic object of radiation interference, and to conduction and radiation, to realize to tested wireless
Communication apparatus provides the equipment of glitch-free test environment；Wherein, shielded box is widely used in following fields, specifically:
1, it is tested using wireless communication；2, EMI is tested；3, coupling measurement；4, RF functional test；5, receiver sensitivity is tested；6, it sends out
Penetrate the test of machine radiant power；7, Bluetooth, DAB/DMB；8, small-sized UHF equipment EMI and EMS test；9, mobile phone, bluetooth, nothing
The equipment such as line router, complete machine or chip test.
Shielded box in the prior art, cabinet radio frequency isolation effect is general, and the isolation of cabinet is in 60-70dB or so, nothing
Method obtains higher masking value.Disadvantage is that not can guarantee the test for meeting the mobile communication product of high demand, the reason is that
Design cabinet frequency not enough causes.Therefore, a kind of shielded box with high-isolation is needed to meet the needs of production test.
Utility model content
To solve the above problems, the utility model provides a kind of novel shielding case with high-isolation, which is adopted
With special body structure, hyperfrequency absorbing material and radiating guide, so that cabinet is at high communications band (700MHz-6GHz)
With good shielding properties, guarantee that product test carries out under noiseless environment.
The technical scheme adopted by the utility model is a kind of novel shielding case comprising cabinet, front door module, antenna
Module, the front door module are adapted with the cabinet, and the Anneta module is mounted on the box house, the cabinet wall
It is equipped with shielded layer, the cabinet includes upper plate, lower plate, right baffle-plate, right shell body, and the lower plate is equipped with driving dress
It sets, the driving device includes cylinder and piston rod, and the front door module includes front door, test carrier plate and connecting plate, described
Test carrier plate is fixedly connected with front door, and the upper end of the connecting plate is fixedly connected with front door, the lower end of the connecting plate with
The piston rod is fixedly connected, and the Anneta module includes antenna and antenna mounting seat, and the antenna is articulated with the antenna peace
It fills on seat, the antenna mounting seat is fixedly mounted on the lower plate.
Further, the shielded layer is absorbing material, and absorbing material has good effect to shielding, improves shielded box
Isolation.
Further, it is provided with portable handle in the left baffle and right baffle, facilitated the movement of shielded box.
Further, the driving device further includes having two symmetrically set guide rod, the guide rod and the connecting plate
Lower end be slidably connected, make shielded box when front door opens/closes, it is more stable.
Further, it is provided with knob on the connecting plate, facilitates the unlatching and closure of shielded box.
Further, angle adjustment mechanism is provided on the antenna mounting seat, angle adjustment mechanism is for adjusting antenna
Angle, better shield effectiveness can be played.
Further, support leg is provided on four angles of the lower plate.
The utility model has the following beneficial effects:
(1) box house of the utility model shielded box is equipped with radiating guide, this antenna has mobile communication frequency
Preferable performance, antenna are mounted on antenna holder, and angle can be adjusted, and guarantee the efficiency and precision of test.
(2) shielded layer is provided on the cabinet wall of the utility model shielded box, shielded layer selects hyperfrequency absorbing material
50mm inhales wave wave crest foam, and absorbing property is good, can greatly improve measuring accuracy.
(3) the utility model shielded box is opened the door using pneumatic mode, shielded box door can be made to close close, safe operation can
It leans on, ensure that the shielding properties of cabinet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model schematic diagram of internal structure；
Fig. 3 is the utility model lower plate structural schematic diagram；
Fig. 4 is the utility model antenna module structure schematic diagram；
Specific embodiment
The utility model is further described below in conjunction with attached drawing.
As Figure 1-Figure 4, a kind of novel shielding case comprising cabinet 1, front door module 2, Anneta module 3, the front door
Module 2 is adapted with the cabinet 1, and the Anneta module 3 is mounted on inside the cabinet 1, and 1 inner wall of cabinet is equipped with screen
Layer 11 is covered, the cabinet 1 includes upper plate, lower plate 12, right baffle-plate, right shell body 13, and the lower plate 12 is equipped with driving dress
It sets, the driving device includes cylinder 14 and piston rod 15, and the front door module 2 includes front door 21, test carrier plate 22 and connects
Fishplate bar 23, the test carrier plate 22 are fixedly connected with front door 21, and the upper end of the connecting plate 23 is fixedly connected with front door 21,
The lower end of the connecting plate 23 is fixedly connected with the piston rod 15, and the Anneta module 3 includes antenna 31 and antenna mounting seat
32, the antenna 31 is articulated on the antenna mounting seat 32, and the antenna mounting seat 32 is fixedly mounted on the lower plate 12
On.
Wherein, in order to realize good test effect, the Anneta module 3 further includes angle adjustment mechanism and apart from adjustment
Structure, the angle adjustment mechanism include antenna mounting plate 33 and knob buckle unit 38, and the antenna 31 is mounted on described
Knob buckles on unit 38, and the knob buckle unit 38 is mounted on the antenna mounting plate 33；Simultaneously in order to more
The rotation angle of antenna is accurately adjusted, the antenna mounting plate is equipped with angle dial.It should be noted that the knob
Knob switch structure can be set into formula buckle unit, and (knob switch structure is applied than wide, is not unfolded herein in detail
Illustrate), other rotary adjustment structures can also be set to, are not particularly limited herein.
It is described apart from adjustment structure include sliding block 36, upright slide rail 35, slider locking screw 34 and sliding rail mounting plate 37, institute
Sliding rail mounting plate is stated equipped with sliding slot, the slider locking screw passes through the sliding slot and the sliding block is fixed on the vertical cunning
On rail, the sliding block can be moved up and down in the upright slide rail.In addition, the antenna mounting plate rotation is fixed on the sliding block
On.It should be noted that the sliding block is equipped with screw hole corresponding with the slider locking screw 34.Angle adjustment mechanism
With the setting of distance adjustment structure, position and the angle of antenna can be neatly adjusted, unlike signal can be provided for test, had
Improve measuring accuracy to effect.
Shielded layer 11 selects 50mm to inhale wave wave crest foam or other excellent absorbing materials；The right baffle-plate of cabinet 1 and right gear
Portable handle 16 is provided on plate 13；Driving device is also symmetrically set on the both sides of piston rod 15 in addition to there is a piston rod 15
There are two guide rods 17, to improve the stability of the shielded box course of work；The setting knob 24 on connecting plate 23；And in lower plate 12
Four angles on be respectively provided with support leg 18.
The workflow of the utility model are as follows:
Start shielded box, cylinder drives piston rod and guide rod to separate front door module with cabinet, test device to be measured is put
It sets on test carrier plate, test carrier plate feeding shielded box box house gentle under the drive of piston rod and guide rod works as front door
When plate is bonded with cabinet front plate, start to carry out test job, when testing is complete, before cylinder drives piston rod and guide rod to make again
Door module is separated with cabinet, then removes the device by test, entire test process knot from test carrier plate by staff
Beam.
The utility model is not limited to above embodiment, if the various changes or deformation to the utility model do not take off
Spirit and scope from the utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to encompass these changes and deformation.
Claims (7)
1. a kind of novel shielding case, it is characterised in that: it includes cabinet, front door module, Anneta module, the front door module and institute
It states cabinet to be adapted, the Anneta module is mounted on the box house, and the cabinet wall is equipped with shielded layer, the cabinet
Including upper plate, lower plate, right baffle-plate, right shell body, the lower plate is equipped with driving device, and the driving device includes cylinder
And piston rod, the front door module include front door, test carrier plate and connecting plate, the test carrier plate and front door, which are fixed, to be connected
It connects, the upper end of the connecting plate is fixedly connected with front door, and the lower end of the connecting plate is fixedly connected with the piston rod, described
Anneta module includes antenna and antenna mounting seat, and the antenna is articulated on the antenna mounting seat, and the antenna mounting seat is solid
Dingan County is on the lower plate.
2. a kind of novel shielding case according to claim 1, which is characterized in that the shielded layer is absorbing material.
3. a kind of novel shielding case according to claim 1, which is characterized in that be respectively provided in the left baffle and right baffle
There is portable handle.
4. a kind of novel shielding case according to claim 1, which is characterized in that the driving device further include have two it is right
Claim the guide rod of setting, the lower end of the guide rod and the connecting plate is slidably connected.
5. a kind of novel shielding case according to claim 1, which is characterized in that be provided with knob on the connecting plate.
6. a kind of novel shielding case according to claim 1, which is characterized in that be arranged on the antenna mounting seat angled
Adjustment structure.
7. a kind of novel shielding case according to claim 1, which is characterized in that be respectively provided on four angles of the lower plate
There is support leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662850.8U CN209594194U (en) | 2018-10-12 | 2018-10-12 | A kind of novel shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662850.8U CN209594194U (en) | 2018-10-12 | 2018-10-12 | A kind of novel shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209594194U true CN209594194U (en) | 2019-11-05 |
Family
ID=68373686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821662850.8U Active CN209594194U (en) | 2018-10-12 | 2018-10-12 | A kind of novel shielding case |
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| Country | Link |
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| CN (1) | CN209594194U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249011A (en) * | 2016-08-15 | 2016-12-21 | 珠海市博杰电子有限公司 | A kind of performance test shielded box |
| CN113677178A (en) * | 2021-08-17 | 2021-11-19 | 深圳市精泰达科技有限公司 | Convenient millimeter wave shielded cell is torn open in ann |
| WO2024037238A1 (en) * | 2022-08-19 | 2024-02-22 | 中山市博测达电子科技有限公司 | 5g communication product mainboard testing device |
| CN117949883A (en) * | 2024-03-26 | 2024-04-30 | 广东省计量科学研究院（华南国家计量测试中心） | Electromagnetic radiation analyzer calibrating device |
-
2018
- 2018-10-12 CN CN201821662850.8U patent/CN209594194U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249011A (en) * | 2016-08-15 | 2016-12-21 | 珠海市博杰电子有限公司 | A kind of performance test shielded box |
| CN113677178A (en) * | 2021-08-17 | 2021-11-19 | 深圳市精泰达科技有限公司 | Convenient millimeter wave shielded cell is torn open in ann |
| CN113677178B (en) * | 2021-08-17 | 2022-06-07 | 深圳市精泰达科技有限公司 | Convenient millimeter wave shielded cell is torn open in ann |
| WO2024037238A1 (en) * | 2022-08-19 | 2024-02-22 | 中山市博测达电子科技有限公司 | 5g communication product mainboard testing device |
| CN117949883A (en) * | 2024-03-26 | 2024-04-30 | 广东省计量科学研究院（华南国家计量测试中心） | Electromagnetic radiation analyzer calibrating device |
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