CN109813944A - Modular shielding castle - Google Patents
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- CN109813944A CN109813944A CN201711153464.6A CN201711153464A CN109813944A CN 109813944 A CN109813944 A CN 109813944A CN 201711153464 A CN201711153464 A CN 201711153464A CN 109813944 A CN109813944 A CN 109813944A
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- 238000012360 testing method Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 33
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000009432 framing Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
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- 241000237858 Gastropoda Species 0.000 claims 1
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- 239000007787 solid Substances 0.000 claims 1
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- 238000013461 design Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000009347 mechanical transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 229910003460 diamond Inorganic materials 0.000 description 1
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- 238000012216 screening Methods 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
Abstract
A kind of modular shielding castle, comprising: shield shell (1), the shield shell (1) successively include: top shielding body (11), middle part shield (12) and underlying shield body (13) from top to bottom；The middle part shield (12) is bolted with underlying shield body (13)；The shielding castle further includes that the top shielding body (11) can be driven to carry out oscilaltion campaign relative to middle part shield (12) with the switching mechanism (3) of closure or openness shield shell (1).Shielding castle of the invention uses modularized design, top shield and middle part shield can quickly and easily be replaced, realize the change of functions of the equipments, realize the separation in structure function well simultaneously, the replacement of each functional component is non-interference, it can be combined within the scope of certain size according to the element in customer requirement carry out system, reduce the appearance because test equipment, which is not placed, causes overall structure size to be changed the case where.
Description
Technical field
The present invention relates to a kind of laboratory equipments more particularly to a kind of structure of the shielding castle for antenna measurement to change
Into being mainly used for the component or complete machine of the radio systems such as the small-sized electronic products antenna such as antenna for mobile phone, router, palm PC
Test.
Background technique
In the prior art, the electromagnetic shielding of shielding castle is using shielding material barrier or decaying by shielding area and outside
The electromagnetic energy on boundary is propagated, and the environment of an electromagnetic shielding is formed by the closure of shield shell, completely cuts off outfield electromagnetic wave, can be with
Keep inside of shield casings electromagnetic signal measurement result more accurate.But electric component, the machine driving of traditional shielding castle
Component etc. is all usually to be arranged in that shielding case is intracorporal together, can be become because of the replacement of some of components or the size of instrument
Change leads to not install, and these electric components can generate certain interference to test process, influence the accurate of test result
Degree.And a shielding castle usually can only once test a Xiang Gongneng, belong to serially test.If necessary to test other function
Energy project then needs adjusting parameter or replacement instrument, traditional shielding castle to need to open the gate of screened room, and personnel go further
Test article and parameter adjustment are replaced in into shielded anechoic chamber, turns off and lock the gate of screened room, and adjustment once needs to expend
Longer time.If necessary to repeatedly frequently replacement tester, or the multiple project testings of progress, time cost resulting from
It is very high, therefore cost is high, time-consuming needed for traditional darkroom test.
In addition, the door of existing quick its shield shell of test laboratory of traditional shielded anechoic chamber or market is usually all
Using pull type or the opening ways of covering type, the shielding castle of this opening ways is difficult to do automatically-controlled door, driving mechanism
It is too close from door, be easy to produce electromagnetic interference, in addition the just laboratory of existing small-sized movable in the market at last, if to realize from
Dynamic its opener of opening can also occupy certain space, so that its product outline size becomes larger, and it is logical in various building to weaken it
The ability that road passes through.And they can only also need firmly to lock after closing by the way of manual shutter door, and operate ratio
It is harder.
Summary of the invention
It is convenient for changing the technical problem to be solved in the present invention is that providing a kind of modularized design with different function module
Shield and good, the easy to operate shielding castle of shield effectiveness.
The present invention solve above-mentioned technical problem the technical solution adopted is that, manufacture and design a kind of modular screening experiment
Room, comprising: shield shell；The shield shell successively includes: top shielding body, middle part shield and underlying shield from top to bottom
Body；The middle part shield is connect by dismountable mode with underlying shield body；The shielding castle further includes that can drive
The top shielding body carries out the switching mechanism of oscilaltion campaign relative to middle part shield, which passes through detachable
Mode connect with top shielding body.
The middle part shield is bolted with underlying shield body.
When the switching mechanism drives the top shielding body to rise, the top shielding body and middle part shield are formed separately
Open state；When the switching mechanism drives the top shielding body decline when position, the top shielding body and middle part shield are closed
Close the shielding space for test formed independently of the underlying shield body.
The switching mechanism includes: transmission mechanism and its power transmission member, connector and vertical guide；The connector
It is driven and is moved up and down by the power transmission member, which is fixedly connected on the side of the top shielding body simultaneously with bolt
It is slidably connected with vertical guide cooperation so that the connector can only be moved up and down along the vertical guide.
The power transmission member is two lead screws being respectively arranged at left and right sides of the top shielding body, accordingly institute
That states top shielding body is each side fixed with the connector driven by lead screw.
The connector includes: drive block, the horizontal cross plate and vertical traversing plates that are fixedly connected with the drive block；The transmission
Block is equipped with and internal screw thread and connect with the threads of lead screw, the top shielding body sidewall with vertical traversing plates position corresponding position
It is fixed with connecting plate, which is bolted together with connecting plate.
A braced frame is respectively provided at left and right sides of the shield shell, the underlying shield body is fixedly connected on left and right
Between frame supported on both sides, the lead screw and connector are mounted in the braced frame, the front and rear of every side braced frame
Respectively it is installed with the vertical guide, the rear and front end of the horizontal cross plate and vertical traversing plates is installed with and the vertical guide
The slide construction of cooperation.
The transmission mechanism is arranged in the underlying shield body comprising: motor, twin shaft output worm and gear slow down
Machine, two transmission shafts and the transmission shaft and power being connected at left and right sides of twin shaft output worm-gear speed reducer
The accurate angular deformation speed machine of transferring element connection；The power of the motor passes to the twin shaft output worm-gear speed reducer,
It is transferred to the accurate angular deformation speed machine using the transmission shaft of two sides, which transfers power to again
The power transmission member drives the connector to move up or down.
The underlying shield body includes structural framing and the sealing plate for being covered in the structural framing front and rear, the sealing plate
The structural framing is fixedly connected on bolt.
The bottom of the underlying shield body is fixed in rack, which is equipped with slider roller.
Compared with the existing technology compared with the modular shielding castle of the present invention has the advantages that
It is constituted 1. frame structure is divided into the case shape shield of upper, middle and lower 3, composed structure and the combined type application of more cabinets
Various pieces can independently make, standardized production easy to accomplish, reduce the volume of manufacture workpiece, reduce manufacture difficulty, more
The quality of manufacture is effectively ensured.Meanwhile test equipment, electric component and mechanical transmission component may be disposed in underlying shield body,
Reduce the interference to test process, so that test result is more accurate；
2. modularized design is used, and middle part shield is connected with underlying shield body by dismountable mode, it can be with fashionable dress
It tears open, replaces original top shielding body and middle part shield (A+B module), change with other function but contour structures and ruler
Very little essentially identical top shielding body and middle part shield (C+D module) keep underlying shield body to fix, do not change its shape knot
Structure, or even do not change its size and can be achieved with the replacements of functions of the equipments and (can be radio frequency test module, can be noise shielding mould
Block is also possible to the module of other exclusive uses), manufacturing cost can be substantially reduced, and improve delivery rate；
3. realizing the function separation of each functional module, instrument, transmission mechanism are mounted in independent space, even if needing more
The size for changing components or instrument changes, and also has well-to-do space to deacclimatize these changes；
4. underlying shield body can be dismantled from front and back both sides, electric component and mechanical transmission component are installed, maintenance is conducive to；
5. the opening ways integrally moved up using top shielding body, so that operating space is wider, the visual field is more preferable, user experience
More preferably, while any side erector part or replacement element can be selected in the two sides of unlatching, is more convenient operation.
6. the bottom of shield shell is equipped with slider roller, convenient, flexible transfer can conveniently be carried to office, experiment
Room, even office building or residential usage, without building fixed shielding test laboratory, small in size, multiple functional, cost is big
It is big to reduce.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the modular shielding castle of the present invention；
Fig. 2 is the structural schematic diagram of the modular shielding castle of the present invention in the on state；
Fig. 3 is the structural schematic diagram of the modular shielding castle of the present invention in closed state；
Fig. 4 is the structural schematic diagram of the switching mechanism 3 and braced frame 5；
Fig. 5 is the structural schematic diagram of the connector 32 and 11 junction of power transmission member 31 and top shielding body；
Fig. 6 is the structural schematic diagram of the connector 32；
Fig. 7 is the structural schematic diagram of 13 joint of the middle part shield 12 and underlying shield body；
Fig. 8 is the transmission mechanism of the switching mechanism 3 and its structural schematic diagram of power transmission member 31；
Fig. 9 is the structural schematic diagram of the top shielding body 11 and middle part shield 12 in the disassembled condition；
Figure 10 is the schematic diagram for replacing the top shielding body 11 and middle part shield 12.
Specific embodiment
It is described in further detail below in conjunction with most preferred embodiment shown in attached drawing.
As shown in Figure 1, Figure 2 and Figure 3, modular shielding castle of the invention specifically includes that shield shell 1 and opens
Close mechanism 3.As needed, test equipment 2 is also provided in shield shell 1.The shield shell 1 from top to bottom successively wraps
It includes: top shielding body 11, middle part shield 12 and underlying shield body 13.Wherein, the top shielding body 11 is movable part
Point, the switching mechanism 3 drive the top shielding body 11 relative to middle part shield 12 to carry out oscilaltion campaign to open or
Close shield shell 1.
When switching mechanism 3 drives top shielding body 11 to move up, the top shielding body 11 and middle part shield 12 separate shape
At open state as shown in Figure 2, at this time, it is convenient to which product to be tested is put into or is taken out.And when switching mechanism 3 drives
When top shielding body 11 is moved down in place, as shown in figure 3, top shielding body 11 and middle part shield 12 are just closed together, formed
Independently of the shielding space for test of the underlying shield body 13.And electric component, the mechanical transmission component of test equipment 2
Deng being set in underlying shield body 13 as far as possible, in this way when carrying out radio frequency testing, can be reduced outer with shielding case body external electromagnetic waves
Interference of the field electromagnetic wave to box house test equipment to obtain more accurate test data, while can also prevent internal electricity
Electromagnetic wave radiation leaks.
Chain drive, rack-and-pinion, hydraulic push rod, lead screw/screw drive, synchronous belt can be used in the switching mechanism 3
The common kinds of drive such as transmission drive the top shielding body 11 to move up and down.It opens the door relative to traditional side or covering type is opened
Mode is opened, the mode that this lifting of shielding castle of the invention is opened can allow entire shell to be opened by switching mechanism, nothing
Labor intensive switch gate, very convenient operation are needed, and the index performance of similar product can be reached, is belonged to pioneering.
Need different function to be tested test for tester or require different test frequency (such as: 3G, 4G,
The test such as 5G, bluetooth), what the top shielding body 11 and the interior test function module configured of middle part shield 12 and inner wall were installed
Material thickness, type can not also be identical, can flexibly change its specification according to different customer demands, have no need to change module
Planform.Accomplish that high-speed and high-efficiency produces.
For needing high-volume to test the product line of a certain performance indicator, shielding castle of the invention can be individually for
Specific test item customizes corresponding test module, such as 4G or power test module, is quickly tested, due to
Its cost of manufacture is lower than traditional darkroom, and client can buy the different classes of function of several sets with the price for building a traditional darkroom
Module carries out the test of parallel type, greatly reduce product line for test time.Traditional shielding castle is can not to do
It arrives.For this purpose, shielding castle of the invention uses modular design, as shown in Figure 9 and Figure 10, settable multiple top screens
The combination of body 11 and middle part shield 12 is covered, each combination can keep face shaping and structure roughly the same, but each combination
Internal test function module can not be identical, only need to be by the top shielding body 11 of original A+B module and 12 groups of middle part shield
Conjunction disassembles, and the top shielding body 11 and middle part shield 12 for replacing with new C+D module combine, and former underlying shield body 13 is then
Immobilize, so that it may realize shielding castle function replacement (can be radio frequency test module, can be noise shielding module,
It is also possible to the module of other exclusive uses), and the shape in laboratory can remain unchanged.For this purpose, 12 He of middle part shield
It is connected between underlying shield body 13, between the switching mechanism 3 and top shielding body 11 by dismountable mode, Ke Yisui
When assemble and disassemble.Dismountable mode mentioned here refers to the connection type for being convenient to repeat to mount and dismount, and common are spiral shell
Bolt connection type, buckle-type connection type etc..
The section of above-mentioned three shields in upper, middle and lower portion can be rectangle, circle, diamond shape etc. but be not limited to the above shape,
It is also possible to other irregular shapes, in the present embodiment, three shields are all made of rectangular configuration, and it is more convenient practical, hold
Easily realize standardized production.
In the present embodiment, as shown in Figure 1 and Figure 4, the switching mechanism 3 includes: transmission mechanism and its power transmission member
31, connector 32 and vertical guide 33.Wherein, the connector 32 is driven by the power transmission member 31 and is moved up and down,
The connector 32 is fixedly connected on the side of the top shielding body 11 with bolt 16 again simultaneously, can effectively reduce what installation needed
Place head room is more convenient installation and maintenance.
As shown in fig. 7, in the joint of the middle part shield 12 and underlying shield body 13, the two is connected by bolt 17
Together.When needing replacing the shield with different function module, the bolt 17 of middle part 12 bottom of shield need to be only removed
And the bolt 16 of 11 side of top shielding body can conveniently and efficiently replace top shield 11 and middle part shield 12.
As illustrated in figures 1 and 8, the transmission mechanism of the switching mechanism 3 is arranged in underlying shield body 13 comprising: electricity
Machine 34, is connected to 35 left and right sides of twin shaft output worm-gear speed reducer at twin shaft output worm-gear speed reducer 35
Two transmission shafts 36, the accurate angular deformation speed machine being connect positioned at the left and right sides with the transmission shaft 36 and power transmission member 31
37.The power of the motor 34 passes to the twin shaft output worm-gear speed reducer 35, using the transmission shaft of two sides
36 are transferred to the accurate angular deformation speed machine 37, which transfers power to the power transmission member again
31, thus drive the connector 32 to move up or down, and then top shielding body 11 is driven accordingly to move up or down.
Wherein, as needed, the accurate angular deformation speed machine 37 can both use booster engine, can also use speed reducer, the present embodiment
In, using booster engine, advantageously reduce noise.
As shown in figure 4, the underlying shield body 13 is including structural framing 131 and is covered in 131 front of structural framing
With the sealing plate 132 at rear portion, screw hole 133 and 134 is offered respectively on the structural framing 131 and sealing plate 132, the forward and backward sealing plate 132
It is fixedly connected on structural framing 131 by passing through the screw hole 133 and 134 with bolt.Bolt need to only be dismantled can be in the past
Underlying shield body 13 is opened afterwards, facilitates the installation and maintenance of electric component and mechanical transmission component.
In the present embodiment, the power transmission member 31 is be separately positioned on 11 left and right sides of top shielding body two
Root lead screw, accordingly the top shielding body 11 is each side fixed with the connector driven by the lead screw 31
32.The present invention drives bilateral lead screw 31 to rise or fall with follower link 32 and top shielding body 11 simultaneously using a motor,
The synchronization that can guarantee two sides lifting, is not in the phenomenon that blocking.And screw structure cooperates turbine worm reducer, utilizes worm gear
Worm screw has the function of self-locking, and when unlatching, falling accident never occurs for top shielding body shielding case, has greatly ensured operation
The safety of person.It can guarantee that gate remains tight closure when simultaneously closing off, advantageously ensure that test equipment reaches shielding
Performance indicator.
The present invention cooperates above-mentioned accurate angular deformation speed machine 37 to have following three reasons using worm-gear speed reducer 35:
The first, system support direct current generator, and conventional DC brushless motor speed is high, generally all in 3000RPM, uses Hardened gear face
Noise can very greatly (60dB) under high speed input condition for deceleration mechanism.The input of motor can be turned down by worm-gear speed reducer
Revolving speed, then the final revolving speed that revolving speed reaches needs is amplified by accurate angular deformation speed machine, it can be noise control in acceptable
Range.
The second, so that turbine and worm is had more superior self-locking property by the worm and gear reduction ratio of increase, prevent screw rod
It takes a turn for the worse in the case where load.
Third utilizes the self-locking property of Article 2, can remove the brake of motor, real using the input shaft of worm and gear
Function that is existing manually opened and closing.
As shown in fig. 6, the connector 32 includes: drive block 321, horizontal cross plate 322, vertical traversing plates 323 and sliding
Structure 324.The drive block 321 is equipped with internal screw thread and is threadedly coupled with the lead screw 31, when lead screw 31 rotates forward or backwards
When, the drive block 321 can be driven to move up or move down.The drive block 321 is bolted to connection in horizontal cross plate 322
Portion, the vertical traversing plates 323 are then fixed on the inside of (such as welding) horizontal cross plate 322.As shown in figure 5, the top screen
It covers 11 side wall of body and the 323 position corresponding position of vertical traversing plates is fixed with connecting plate 15, the vertical traversing plates 323 and connecting plate 15 are used
Bolt 16 links together.The slide construction 324 is fixedly arranged on 323 rear and front end of horizontal cross plate 322 and vertical traversing plates respectively, such as
Shown in Fig. 4, which is slidably connected with the vertical guide 33 cooperation, so that connector 32 can only vertically be led along this
Rail 33 moves up and down, which can be used common guiding form, such as: round line slide rail, line slide rail, idler wheel rolling
Road device etc., and the quantity of guide rail is unlimited.The setting of above-mentioned horizontal cross plate 322 and vertical traversing plates 323 can reinforce connector 32
Integral strength.
As shown in figure 4, the left and right sides of the shield shell 1 is respectively provided with a braced frame 5, the frame 5 supported on both sides
Be fixedly connected with the rack 6 of bottom, the underlying shield body 13 be fixedly connected on the left and right sides braced frame 5 between and simultaneously
It is fixedly connected with rack 6.Every side braced frame 5 mainly by the vertical connector 51 in front and back two and connects two vertical connectors
51 two or more transverse connections 52 are constituted.The lead screw 31 and connector 32 are located in the braced frame 5, per collateral support frame
The vertical guide 33 is respectively installed at the vertical connector 51 of the front and rear of frame 5, with 32 rear and front end of connector
Slide construction 324 is slidably matched.
In addition, 6 bottom of rack is equipped with several slider rollers 7, it is convenient to for being moved in entire laboratory in this way
Place to be tested, such as office, laboratory, even common office building, premises use are needed, very flexibly and easily.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of modular shielding castle, comprising: shield shell (1)；It is characterized by:
The shield shell (1) successively includes: top shielding body (11), middle part shield (12) and underlying shield body from top to bottom
(13)；The middle part shield (12) is connect by dismountable mode with underlying shield body (13)；The shielding castle is also
Including the top shielding body (11) can be driven relative to the switching mechanism of middle part shield (12) progress oscilaltion campaign
(3), which is connect by dismountable mode with top shielding body (11)；
When the switching mechanism (3) drives the top shielding body (11) to rise, the top shielding body (11) and middle part shield
(12) it is formed separately open state；When the switching mechanism (3) drives the top shielding body (11) decline when position, the top screen
Body (11) and the formation of middle part shield (12) closure are covered independently of the shielding space for test of the underlying shield body (13).
2. modular shielding castle according to claim 1, it is characterised in that: the middle part shield (12) is under
Portion's shield (13) is bolted.
3. modular shielding castle according to claim 1, which is characterized in that the switching mechanism (3) includes: to pass
Motivation structure and its power transmission member (31), connector (32) and vertical guide (33)；The connector (32) is by the power
Transferring element (31), which drives, to move up and down, which is fixedly connected on the side of the top shielding body (11) with bolt
And it is slidably connected with the vertical guide (33) cooperation so that the connector (32) can only be moved up and down along the vertical guide (33).
4. modular shielding castle according to claim 3, it is characterised in that: the power transmission member (31) is
Two lead screws being respectively arranged at left and right sides of the top shielding body (11), the accordingly left and right of the top shielding body (11)
Two sides are respectively fixed with the connector (32) driven by lead screw.
5. modular shielding castle according to claim 4, it is characterised in that: the connector (32) includes: to pass
Motion block (321), the horizontal cross plate (322) and vertical traversing plates (323) being fixedly connected with the drive block (321)；The drive block
(321) be equipped with and internal screw thread and connect with the threads of lead screw, top shielding body (11) side wall with the vertical traversing plates
(323) position corresponding position is fixed with connecting plate (15), which is bolted together with connecting plate (15).
6. modular shielding castle according to claim 5, it is characterised in that: the left and right of the shield shell (1)
Two sides are respectively provided with a braced frame (5), the underlying shield body (13) be fixedly connected on left and right sides braced frame (5) it
Between, the lead screw and connector (32) are mounted in the braced frame (5), and the front and rear of every side braced frame (5) is each solid
Equipped with a vertical guide (33), the rear and front end of the horizontal cross plate (322) and vertical traversing plates (323) is installed with and institute
State the slide construction of vertical guide (33) cooperation.
7. according to the described in any item modular shielding castles of claim 3 to 6, it is characterised in that: the transmission mechanism
Setting is in the underlying shield body (13) comprising: motor (34), connects twin shaft output worm-gear speed reducer (35) respectively
It connects two transmission shafts (36) and the transmission shaft (36) at left and right sides of twin shaft output worm-gear speed reducer (35) and moves
The accurate angular deformation speed machine (37) of force transmission member (31) connection；The power of the motor (34) passes to the twin shaft output snail
Worm and gear speed reducer (35) is transferred to the accurate angular deformation speed machine (37), the essence using the transmission shaft (36) of two sides
Close angular variable-speed motor (37) transfers power to the power transmission member (31) again, drive the connector (32) upwards or to
Lower movement.
8. modular shielding castle according to claim 7, it is characterised in that: the underlying shield body (13) includes
Structural framing (131) and the sealing plate (132) for being covered in structural framing (131) front and rear, the sealing plate (132) use bolt
It is fixedly connected on the structural framing (131).
9. modular shielding castle according to any one of claims 1 to 6, it is characterised in that: the underlying shield
The bottom of body (13) is fixed on rack (6), which is equipped with slider roller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153464.6A CN109813944A (en) | 2017-11-20 | 2017-11-20 | Modular shielding castle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153464.6A CN109813944A (en) | 2017-11-20 | 2017-11-20 | Modular shielding castle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109813944A true CN109813944A (en) | 2019-05-28 |
Family
ID=66599320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711153464.6A Pending CN109813944A (en) | 2017-11-20 | 2017-11-20 | Modular shielding castle |
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| CN (1) | CN109813944A (en) |
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| CN204188671U (en) * | 2014-10-30 | 2015-03-04 | 深圳市佳晨科技有限公司 | A kind of double flute pressing shielded box |
| CN204945193U (en) * | 2015-08-18 | 2016-01-06 | 深圳市艾励美特科技有限公司 | For shielded box and the test macro of product test |
| CN205941632U (en) * | 2016-07-27 | 2017-02-08 | 中国电子科技集团公司第十六研究所 | Shield assembly is used in test of broadband low temperature receiver |
| CN207396557U (en) * | 2017-11-20 | 2018-05-22 | 伟睿科技（深圳）有限公司 | Modular shielding castle |
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