CN205852715U - Electromagnetic compatibility radiation test desk - Google Patents
Electromagnetic compatibility radiation test desk Download PDFInfo
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- CN205852715U CN205852715U CN201620776859.6U CN201620776859U CN205852715U CN 205852715 U CN205852715 U CN 205852715U CN 201620776859 U CN201620776859 U CN 201620776859U CN 205852715 U CN205852715 U CN 205852715U
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- desktop
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- electromagnetic compatibility
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Abstract
This utility model relates to a kind of electromagnetic compatibility radiation test desk, and it includes supporting leg and desktop.Wherein, described desktop includes replaceability desktop and long-term desktop, and described convertibility desktop is detachably fixed the upper surface being connected to described long-term desktop, and described supporting leg is fixedly attached to the lower surface of described long-term desktop.Compared to existing technologies, the utility model proposes another kind of thinking and go to solve the most flimsy characteristic of polystyrene foam table, cost is greatly reduced, thus has the strongest market application foreground.
Description
Technical field
This utility model relates to radio frequency products/electric equipment products electromagnetism technical field of measurement and test, particularly to a kind of electromagnetism
Compatible radiation test desk.
Background technology
For a long time, in electromagnetic compatibility test field, radiation test result test result between different test sites is poor
Different very big, even to test at same test site different time, result difference remains unchanged the biggest.People constantly go from different aspect
Analyze the basic reason causing this phenomenon, such as anechoic chamber, performance (normalization site attenuation, site VSWR), test
The each side such as the metering of instrument, reception antenna, method of testing go to analyze.In CISPR's standard
In CISPR16-1-4:2008, first proposed test desk material has significant impact to test result, and teaches verification method.
Subsequently, in Japan's VCCI V-3:2011 standard, to typical test desk material: wood table, FRP (Fiber Reinforced
Plastics, fiberglass reinforced plastics, is commonly called as fiberglass) test desk and new material polystyrene foam table carried out data
Analyzing, the test performance of polystyrene foam table is outstanding, and polystyrene foam table is opened field of electromagnetic compatibility is the most popular immediately
Come.But polystyrene foam table due to material the most frangible/characteristic of changeableness, make this testing of materials table common be easy to damage
Bad.Then people try every possible means, and have used the characteristic much not considering that the means of cost remove to change polystyrene foam table, such as, have had
People propose polystyrene foam table desktop add spray Efrethan coating to strengthen its desktop intensity, or polystyrene steep
Foam table desktop installs one layer of bakelite plate additional to increase its mechanical strength.
Wherein, adding spray Efrethan coating and test desk unit price can be made expensive, unit price is more than 20,000 yuan, and desktop intensity
Still not enough, still can deform when meeting sharp-pointed weight.And the material of the non-standard recommendation of bakelite material, its impact on test result
Need to carry out substantial amounts of experimental verification, and program cost remains unchanged higher, unit price remains unchanged close to 20,000 RMB.
Utility model content
Therefore, for overcoming defect of the prior art and deficiency, the utility model proposes a kind of electromagnetic compatibility radiation test
Table.
Specifically, a kind of electromagnetic compatibility radiation test desk that embodiment of the present utility model proposes include supporting leg and
Desktop.Wherein, described desktop includes that replaceability desktop and long-term desktop, described convertibility desktop are detachably fixed and are connected to institute
State the upper surface of long-term desktop, and described supporting leg is fixedly attached to the lower surface of described long-term desktop.
In an embodiment of the present utility model, described replaceability desktop and described long-term desktop have identical length
And width, and the thickness of described long-term desktop is more than the thickness of described replaceability desktop.
In an embodiment of the present utility model, the height of described electromagnetic compatibility radiation test desk is 0.8 meter.
In an embodiment of the present utility model, the thickness of described replaceability desktop is in scope 0.01 meter to 0.1 meter
In.
In an embodiment of the present utility model, described replaceability desktop and described long-term desktop are monolayer polyphenyl second
Alkene cystosepiment.
In an embodiment of the present utility model, described replaceability desktop, described long-term desktop and described supporting leg by
Same material is made.
In an embodiment of the present utility model, described replaceability desktop and described long-term desktop by bulge-structure and
Sunk structure is mutually chimeric and is formed and is detachably fixed connection, described long-term desktop and described supporting leg by bulge-structure and recessed
Sunken structure is mutually chimeric and forms a fixed connection.
In an embodiment of the present utility model, the described upper table of the neighbouring described long-term desktop of described replaceability desktop
It is provided with on the surface in face on bulge-structure, and the described upper surface of described long-term desktop and is provided with corresponding sunk structure；
Described replaceability desktop and described long-term desktop are integrated formed structure.
Additionally, a kind of electromagnetic compatibility radiation test desk that another embodiment of this utility model proposes includes: polystyrene
Foam replaceability desktop, the long-term desktop of polystyrene foam and polystyrene foam supporting leg.Described polystyrene foam can
Replaceability desktop is detachably fixed the upper surface being connected to the long-term desktop of described polystyrene foam, and described polystyrene foam
Supporting leg is fixedly attached to the lower surface of the long-term desktop of described polystyrene foam；Described polystyrene foam replaceability desktop
Thickness is less than the thickness of the long-term desktop of described polystyrene foam.
In an embodiment of the present utility model, the height of described electromagnetic compatibility radiation test desk is 0.8 meter, and described
It is detachable solid that polystyrene foam convertibility desktop and the long-term desktop of described polystyrene foam use non-adhesive means to be formed
Fixed connection.
From the foregoing, it will be observed that compared to existing technologies, embodiment of the present utility model proposes another kind of thinking and goes to solve to gather
The most flimsy characteristic of styrenic foams table, cost is greatly reduced, thus has the strongest market application foreground.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become obvious.But should
When knowing, this accompanying drawing is only the purpose design rather than the restriction as scope of the present utility model explained.Also should know
Road, unless otherwise noted, it is not necessary to scale accompanying drawing, they only try hard to structure described herein and stream are described conceptually
Journey.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Fig. 1 is the stereochemical structure blast signal of a kind of electromagnetic compatibility radiation test desk that this utility model embodiment proposes
Figure.
Fig. 2 is the planar structure schematic diagram of the radiation test desk of electromagnetic compatibility shown in Fig. 1.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The detailed description of the invention of utility model is described in detail.
Referring to Fig. 1 and Fig. 2, a kind of electromagnetic compatibility radiation test desk 10 that an embodiment of the present utility model proposes wraps
Include: replaceability desktop 11, long-term desktop 13 and supporting leg 15.Replaceability desktop 11 is detachably fixed and is connected to long-term desktop 13,
And long-term desktop 13 fixes with supporting leg 15 and is connected.
Specifically, replaceability desktop 11 includes upper surface 111 and lower surface 113, and lower surface 113 is provided with bulge-structure
1130, and replaceability desktop 11 is formed in one structure；Long-term desktop 13 includes upper surface 131 and lower surface 133, upper surface
It is provided with sunk structure 1310 on 131, and long-term desktop 13 is formed in one structure；So, replaceability desktop 11 and length
Phase desktop 13 can be mutually fitted together to by bulge-structure 1130 and sunk structure 1310 and be formed and be detachably fixed connection.May be used herein
To be understood by, bulge-structure 1130 can be changed to the sunk structure being arranged on the lower surface 113 of replaceability desktop 11, phase
Answer ground sunk structure 1310 can be changed to the bulge-structure being arranged on the upper surface 131 of long-term desktop 13, thus equally may be used
To reach replaceability desktop 11 and long-term desktop 13, by mutual being fitted together to, formation is detachably fixed connection, and without by gluing
Replaceability desktop 11 and long-term desktop 13 are fixed together by mode, so can easily dismount and change.
Furthermore, the lower surface 133 of long-term desktop 13 is provided with bulge-structure (not drawing in figure), correspondingly supporting leg 15
On be provided with corresponding sunk structure 1510, such that it is able to by by the bulge-structure on the lower surface 133 of long-term desktop 13
Formed mutually to be fitted together in inserting the sunk structure 1510 on supporting leg 15 and be connected fixing with supporting leg 15 for long-term desktop 13
Together, the most then without using extra connector such as screw etc. to realize consolidating between long-term desktop 13 and supporting leg 15
Fixed connection.Though herein it is noted that two supporting legs 15 shown in Fig. 1 and Fig. 2, this utility model not as
Limit a, it is also possible to supporting leg is only set, it is also possible to arrange three and lower limb supported above；And the shape of supporting leg 15 and size
Can be adjusted flexibly.It is, of course, understood that sunk structure can also be arranged on the lower surface 133 of long-term desktop 13,
And matched bulge-structure is correspondingly set on supporting leg 15.
Radio frequency products/electric equipment products electricity mainly it is applied to owing to the electromagnetic compatibility of the present embodiment radiates test desk 10
Magnetic tester field, it is therefore preferred to the material of replaceability desktop 11, long-term desktop 13 and supporting leg 15 be low-k and
The polystyrene foam of low-dielectric loss；Specifically, replaceability desktop 11 and long-term desktop 13 are such as monolayer polyphenyl second
Alkene cystosepiment, and the thickness of the most long-term desktop 13 is more than the thickness of replaceability desktop 11.
Holding above-mentioned, replaceability desktop 11 and long-term desktop 13 such as have identical length L and width W, such as length L are
1.5 meters, width W is 1.0 meters.Furthermore, the height H (as shown in Figure 2) of whole electromagnetic compatibility radiation test desk 10 is preferably 0.8
Rice, it is equal to the thickness h 3 of the thickness h 2+ replaceability desktop 11 of the long-term desktop of height h1+ 13 of supporting leg 15.Typically, support
The height h1 of lower limb 15 for example, 0.7 meter, the thickness h 2 of long-term desktop 13 for example, 0.08 meter, and the thickness of replaceability desktop 11
H3 for example, 0.02 meter.It is worth one, meets the thickness h 3 thickness h 2 less than long-term desktop 13 of replaceability desktop 11
On the premise of, the thickness h 3 of replaceability desktop 11 can elastic design in the range of 0.01 meter to 0.1 meter.
In sum, this utility model solve at low cost electromagnetic compatibility radiation test desk the impact of test result is asked
Topic, it proposes one and utilizes normal polystyrene foam mold massing to make test desk, makes desktop and the support section can be convenient
Change.(add sprayed coating as of the prior art or add bakelite plate etc.) is processed owing to not carrying out other any additional, with
And use standardized module processing, and its cost can be made to be reduced to as ordinary polystyrene packaging material cheap, single
Solely the replacing of parts will be the most cheap, also by the impact on test result of the test desk material while that overall economic efficiency being maximized
It is down to minimum.Furthermore, two-layer desktop design (the long-term desktop of replaceability desktop 11+ 13), make frangible desktop change and become feasible,
And more conformance with standard requirement while that replacement cost being cheap.
Finally it is worth mentioning that, it is low that replaceability desktop 11, long-term desktop 13 and supporting leg 15 can select other to have
Dielectric constant and the material of low-dielectric loss, and it is not limited to polystyrene foam；And replaceability desktop 11, long-term desktop 13 and
Supporting leg 15 is preferably and uses commaterial to make.Additionally, electromagnetic compatibility radiation length L of test desk 10, width W and height
H equidimension can the most suitably adjust.It addition, replaceability desktop 11, long-term desktop 13 and supporting leg 15 it
Between the fixing implementation connected can be to be not limited to the most chimeric mode of aforesaid bulge-structure and sunk structure, it is also possible to adopt
Dismounting and the implementation changed is suitable to other.
The above, be only preferred embodiment of the present utility model, not this utility model is made any in form
Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe
Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above
Hold and make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, the most still
Belong in the range of technical solutions of the utility model.
Claims (10)
1. an electromagnetic compatibility radiation test desk, including supporting leg and desktop；It is characterized in that, described desktop includes replaceability table
Face and long-term desktop, described convertibility desktop is detachably fixed the upper surface being connected to described long-term desktop, and described support
Lower limb is fixedly attached to the lower surface of described long-term desktop.
2. electromagnetic compatibility radiation test desk as claimed in claim 1, it is characterised in that described replaceability desktop and described for a long time
Desktop has identical length and width, and the thickness of described long-term desktop is more than the thickness of described replaceability desktop.
3. electromagnetic compatibility radiation test desk as claimed in claim 2, it is characterised in that described electromagnetic compatibility radiation test desk
It is highly 0.8 meter.
4. electromagnetic compatibility radiation test desk as claimed in claim 3, it is characterised in that the thickness of described replaceability desktop is in
In scope 0.01 meter to 0.1 meter.
5. electromagnetic compatibility radiation test desk as claimed in claim 1, it is characterised in that described replaceability desktop and described for a long time
Desktop is monolayer polystyrene foam plate.
6. electromagnetic compatibility radiation test desk as claimed in claim 5, it is characterised in that described replaceability desktop, described for a long time
Desktop and described supporting leg are made up of same material.
7. electromagnetic compatibility radiation test desk as claimed in claim 1, it is characterised in that described replaceability desktop and described for a long time
Desktop is mutually fitted together to by bulge-structure and sunk structure and is formed and be detachably fixed connection, described long-term desktop and described support
Lower limb is mutually fitted together to by bulge-structure and sunk structure and is formed a fixed connection.
8. electromagnetic compatibility radiation test desk as claimed in claim 7, it is characterised in that described replaceability desktop neighbouring described
It is provided with on bulge-structure, and the described upper surface of described long-term desktop on the surface of the described upper surface of long-term desktop and is provided with
Corresponding sunk structure；Described replaceability desktop and described long-term desktop are integrated formed structure.
9. an electromagnetic compatibility radiation test desk, it is characterised in that including: polystyrene foam replaceability desktop, polystyrene
The long-term desktop of foam and polystyrene foam supporting leg, described polystyrene foam convertibility desktop is detachably fixed connection
To the upper surface of the long-term desktop of described polystyrene foam, and described polystyrene foam supporting leg is fixedly attached to described polyphenyl
The lower surface of the long-term desktop of vinyl foam；The thickness of described polystyrene foam replaceability desktop is less than described polystyrene foam
The thickness of long-term desktop.
10. electromagnetic compatibility radiation test desk as claimed in claim 9, it is characterised in that described electromagnetic compatibility radiation test desk
Height be 0.8 meter, and described polystyrene foam convertibility desktop desktop long-term with described polystyrene foam use non-
Adhesive means is formed and is detachably fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620776859.6U CN205852715U (en) | 2016-07-21 | 2016-07-21 | Electromagnetic compatibility radiation test desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620776859.6U CN205852715U (en) | 2016-07-21 | 2016-07-21 | Electromagnetic compatibility radiation test desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205852715U true CN205852715U (en) | 2017-01-04 |
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ID=57647851
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620776859.6U Active CN205852715U (en) | 2016-07-21 | 2016-07-21 | Electromagnetic compatibility radiation test desk |
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| CN (1) | CN205852715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904100A (en) * | 2019-11-19 | 2021-06-04 | 英业达科技有限公司 | Test carrying platform |
-
2016
- 2016-07-21 CN CN201620776859.6U patent/CN205852715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904100A (en) * | 2019-11-19 | 2021-06-04 | 英业达科技有限公司 | Test carrying platform |
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