CN206196248U - Double shielding case - Google Patents
Double shielding case Download PDFInfo
- Publication number
- CN206196248U CN206196248U CN201621089672.5U CN201621089672U CN206196248U CN 206196248 U CN206196248 U CN 206196248U CN 201621089672 U CN201621089672 U CN 201621089672U CN 206196248 U CN206196248 U CN 206196248U
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- box
- chamber door
- cotton
- double layer
- main box
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Abstract
The utility model discloses a double shielding case, including the main tank body, the fixed setting the internal interior box of main tank, interior box is equipped with inner casing door, the main tank body hinges and is provided with outer chamber door, inner casing door passes through the fixed setting of fixed plate and is in realize the synchronization action on the outer chamber door, be equipped with the interval between interior box and the main tank body and opening the door the size of the interval of orientation for 3mm~9mm, the utility model discloses utilize the electromagnetic shield principle to make up two independent shielded cells, through rationally setting up the hookup location relation between the main tank body and the interior box to design into a body structure with two chamber doors, realize the structure of the synchro switch door of two shield doors of double shielding case, greatly made things convenient for the operation process of whole test, and simple structure shields effectually.
Description
Technical field
The utility model is related to a kind of screening arrangement, and in particular to a kind of shielded box for being provided with two-layer shielding construction.
Background technology
In view of wireless telecommunications industry is booming, the signal transmission of various equipment develops towards wireless direction, therefore
Each competition of dealer is also increasingly violent, and the development time of product and test system are often the principal element won victory, herein
Under the premise of, automated test device drives important with regard to day, and shielded box is one of important equipment in transmitting radio signals test.
Also known as radio frequency isolation case, it can provide excellent shade and can substitute expensive shade room shielded box, to provide
Less radio-frequency (RF) product carries out extraneous high-frequency signals interference when shielding test, isolation test, and carries out signal transmitting and connect
The functions such as Acceptance Tests.
To improve the shield effectiveness of shielded box, the general quantity by increase shielding material layer as far as possible, or pass through
By the way of double layer screen housing；The double layer screen case of existing double Shell is designed with inside and outside two sect, switch extremely inconvenience.
Utility model content
The purpose of this utility model is to propose the good bilayer of a kind of simple structure, shield effectiveness for above-mentioned technical problem
Shielded box.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of double layer screen case, including main tank
Body, the internal box being fixedly installed in the main box；The internal box is provided with interior chamber door, and the main box is hinged and is provided with outward
Chamber door, the interior chamber door is fixedly installed on the outer chamber door by fixed plate and realizes synchronization action；The internal box and main tank
The size that spacing and the spacing in enabling direction are provided between body is 3mm~9mm.
In the utility model, the main box and internal box are respectively equipped with test interface, and the main box survey
Mouth of trying is connected conducting with the test interface of internal box by cable.
In the utility model, the internal face of the main box, internal box and interior chamber door is respectively arranged with suction ripple cotton.
In the utility model, the surface for inhaling ripple cotton is provided with antistatic cotton.
In the utility model, the bottom of the internal box is provided with working plate.
In the utility model, lock is provided between the main box and outer chamber door.
Be combined for two independent shielded boxes using principle of electromagnetic shield-ing by the utility model, by rationally setting main tank
Link position relation between body and internal box, and two chamber doors are designed into a single integrated structure, realize double layer screen case two
The structure of the synchro switch door of shield door, is very easy to the operating process of whole test, and simple structure, shield effectiveness
It is good.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the double layer screen case in the embodiment of the utility model one；
Fig. 2 is the horizontal direction cutting structural representation of the double layer screen case in the embodiment of the utility model one；
Fig. 3 is the vertical direction cutting structural representation of the double layer screen case in the embodiment of the utility model one；
Fig. 4 is the door structure schematic diagram of the double layer screen case in the embodiment of the utility model one.
Specific embodiment
It is new to this practicality below in conjunction with drawings and Examples in order to illustrate more clearly of the technical solution of the utility model
The technical scheme of type is further elaborated, it should be apparent that, description below is only some implementations of the present utility model
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these embodiments
Obtain other embodiments.
Referring to figs. 1 to Fig. 4, a kind of double layer screen case, including main box 1, the internal box 7 that is fixedly installed in main box 1；
Fixation is attached by polyoxymethylene 9 between main box 1 and internal box 7 (POM is also called match steel) so that the He of main box 1
The stabilization of relative position is kept between internal box 7.Internal box 7 is provided with interior chamber door 10, and main box 1 is hinged and is provided with outer chamber door 6, outward
Chamber door 6 is hingedly connected on main box 1 by five hinges, and interior chamber door 10 is fixedly installed on outer chamber door 6 by fixed plate 13
Realize synchronization action；The fixed plate 13 is polyoxymethylene material, it is ensured that interior chamber door 10 can be securely fixed in outer chamber door 6
On so that outer chamber door 6 is integrally formed structure with interior chamber door 10, realizes that main box 1 and the synchronous of internal box 7 are opened and closure, pole
The earth simplifies shielding testing procedure, improves testing efficiency.Spacing is provided between internal box 7 and main box 1 to ensure to shield material
The installation of material and measurement jig, meanwhile, for chamber door 10 reliably can close internal box 7 in ensureing, it is necessary to limit main tank
, in the spacing in enabling direction, the size between internal box 7 and main box 1 in the spacing in enabling direction is 3mm for body 1 and internal box 7
~9mm, because the structure of interior chamber door 10 is limited, the size between internal box 7 and main box 1 in the spacing in enabling direction specifically may be used
Think 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm etc., can also according to actual needs select appropriate spacing size.It is preferred that
, main box 1 and internal box 7 surround the groove 12 for being provided with and ensureing shield effectiveness between chamber door and casing respectively at enabling, outward
Raised 14 matched with the groove 12 are respectively equipped with chamber door 6 and interior chamber door 10, the materials such as conductive fabric can also be laid in groove 12
Material, it is ensured that the contact conducting of outer chamber door 6 and interior chamber door 10 after closing between casing, and then ensure the shielding of double layer screen case
Effect.
In one embodiment, the test interface of the double layer screen case of traditional structure is directly through two layer box bodies is carried out
Install, the required precision to test interface and cabinet design and installation is high.Therefore, in the present embodiment, main box 1 and interior case
Body 7 is respectively equipped with test interface 11, and the test interface of main box 1 is connected by cable with the test interface of internal box 7 and leads
It is logical, the required precision to test interface 11 and cabinet design and installation is significantly reduced, improve the group of double layer screen case
Dress efficiency.Test interface 11 is as needed including N-SMA, DB9, RJ45, USB and DC etc..Wherein, it is guarantee double layer screen case
Earthing effect, be additionally provided with grounding screw on main box 1.
In one embodiment, it is the shield effectiveness of guarantee double layer screen case, main box 1, internal box 7 and interior chamber door
10 internal face is respectively arranged with suction ripple cotton 8.Wherein, internal box 7 is the cotton layer thickness for inhaling ripple cotton 8 of the internal face of interior chamber door 10
It is 10mm, the cotton layer thickness for inhaling ripple cotton 8 of the internal face of main box 1 is 5mm.Preferably, due to internal box 7 and the meeting of interior chamber door 10
Test object is touched, is antistatic, the surface of suction ripple cotton 8 is provided with antistatic cotton and the cotton layer thickness of antistatic cotton is 2mm.When
So, inhaling ripple cotton 8 and the cotton layer thickness of antistatic cotton can also be thickeied or thinning adjustment as needed.
In one embodiment, the bottom of internal box 7 needs to install measurement jig the structural strength, it is necessary to certain, is
This, the bottom of internal box 7 is provided with working plate, and the working plate is made of Vulcanite.
In one embodiment, for convenience of the door switch of double layer screen case, outer chamber door 6 is provided with handle 4 and lock
Button 5, opens the chamber door for latching and can very easily opening double layer screen case after 5 by handle 4, and vice versa.Meanwhile, main box
1 movement for being respectively provided on two sides with handle 2, facilitating double layer screen case.In addition, the bottom of main box 1 is provided with four foots pad 3, rise
To the effect of vibrationproof vibration damping.
Be combined for two independent shielded boxes using principle of electromagnetic shield-ing by the utility model, by rationally setting main tank
Link position relation between body and internal box, and two chamber doors are designed into a single integrated structure, realize double layer screen case two
The structure of the synchro switch door of shield door, is very easy to the operating process of whole test, and simple structure, shield effectiveness
It is good.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of double layer screen case, it is characterised in that including main box, the internal box being fixedly installed in the main box；Institute
State internal box and be provided with interior chamber door, the main box is hinged and is provided with outer chamber door, and the interior chamber door is fixedly installed on by fixed plate
Synchronization action is realized on the outer chamber door；Be provided between the internal box and main box spacing and enabling direction spacing it is big
Small is 3mm~9mm.
2. double layer screen case as claimed in claim 1, it is characterised in that the main box and internal box are respectively equipped with test and connect
Mouthful, and the test interface of the main box is connected conducting with the test interface of internal box by cable.
3. double layer screen case as claimed in claim 1, it is characterised in that the main box, internal box and interior chamber door it is interior
Wall is respectively arranged with suction ripple cotton.
4. double layer screen case as claimed in claim 3, it is characterised in that the cotton layer of the suction ripple cotton of the internal face of the main box
Thickness is 5mm；The cotton layer thickness of the suction ripple cotton of the internal face of the internal box and interior chamber door is 10mm.
5. double layer screen case as claimed in claim 3, it is characterised in that the surface of the suction ripple cotton is provided with antistatic cotton.
6. double layer screen case as claimed in claim 5, it is characterised in that the cotton layer of the antistatic cotton on the surface of the suction ripple cotton
Thickness is 2mm.
7. double layer screen case as claimed in claim 1, it is characterised in that the bottom of the internal box is provided with working plate.
8. double layer screen case as claimed in claim 1, it is characterised in that lock is provided between the main box and outer chamber door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089672.5U CN206196248U (en) | 2016-09-29 | 2016-09-29 | Double shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089672.5U CN206196248U (en) | 2016-09-29 | 2016-09-29 | Double shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206196248U true CN206196248U (en) | 2017-05-24 |
Family
ID=58730281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621089672.5U Active CN206196248U (en) | 2016-09-29 | 2016-09-29 | Double shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206196248U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200755A (en) * | 2018-01-17 | 2018-06-22 | 珠海博杰电子股份有限公司 | A kind of double layer screen case |
| CN110799028A (en) * | 2019-10-14 | 2020-02-14 | 江西清华泰豪三波电机有限公司 | Can splice double-deck shield cover |
| CN110972427A (en) * | 2019-12-12 | 2020-04-07 | 珠海格力电器股份有限公司 | Case suitable for complex environment |
-
2016
- 2016-09-29 CN CN201621089672.5U patent/CN206196248U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200755A (en) * | 2018-01-17 | 2018-06-22 | 珠海博杰电子股份有限公司 | A kind of double layer screen case |
| CN110799028A (en) * | 2019-10-14 | 2020-02-14 | 江西清华泰豪三波电机有限公司 | Can splice double-deck shield cover |
| CN110799028B (en) * | 2019-10-14 | 2020-10-16 | 江西清华泰豪三波电机有限公司 | Can splice double-deck shield cover |
| CN110972427A (en) * | 2019-12-12 | 2020-04-07 | 珠海格力电器股份有限公司 | Case suitable for complex environment |
| CN110972427B (en) * | 2019-12-12 | 2021-04-27 | 珠海格力电器股份有限公司 | Case suitable for complex environment |
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