CN207516403U - A kind of telescopic antenna EMC test rack - Google Patents
A kind of telescopic antenna EMC test rack Download PDFInfo
- Publication number
- CN207516403U CN207516403U CN201721695429.2U CN201721695429U CN207516403U CN 207516403 U CN207516403 U CN 207516403U CN 201721695429 U CN201721695429 U CN 201721695429U CN 207516403 U CN207516403 U CN 207516403U
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- metallic
- telescopic antenna
- plate
- right end
- fixed pallet
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Abstract
The utility model discloses a kind of telescopic antenna EMC test racks, including telescopic antenna workbench and test bench, the telescopic antenna workbench is mainly by telescopic antenna, metallic counterpoise, adapter and stent composition, the test bench is mainly by wooden table, metallic ground tablet and test configurations boundary composition, metallic counterpoise and metallic ground tablet are bridged by metallic plate, fixed pallet is equipped between metallic counterpoise and stent, adapter is placed in the inside of fixed pallet, the right end of fixed pallet is rotatably connected to rotation supporting plate, the right end bottom of rotation supporting plate is installed with connecting plate, metallic plate is fixedly arranged on above rotation supporting plate, wooden table left end is equipped with the extension that length is 5~10mm, the right end of connecting plate is detachably connected with extension, the right end of metallic plate and the left end of metallic ground tablet are detachably connected.The metallic plate of the utility model is an entirety with telescopic antenna table design, and without being tested every time when carries and places metallic plate again.
Description
Technical field：
The utility model is related to EMC test field more particularly to a kind of telescopic antenna EMC test racks.
Background technology：
Telescopic antenna is the very high a kind of antenna of frequency of use in EMC test, and most of real in the prior art
It tests room and carries out the testing stand built of EMC test of telescopic antenna as shown in Figure 1, the pull rod day including being placed on floor
Line workbench 1 and test bench 3, telescopic antenna workbench 1 is mainly by telescopic antenna 11, metallic counterpoise 12,13 and of adapter
Stent 14 forms, and test bench 3 is mainly made of wooden table 31, metallic ground tablet 32 and test configurations boundary 33, and metal connects
The length and width dimensions of ground tablet 32 are identical with the Desktop Dimensions of wooden table 31, according to EMC test standard (such as GJB 152A-97
《Military equipment and subsystem Electromagnetic Launching and susceptibility test》), it is desirable that 12 length of side of metallic counterpoise of telescopic antenna workbench 1 is extremely
It is less 600mm, when carrying out EMC test, needs the center of metallic counterpoise 12 (being currently the rectangle that the length of side is 600mm)
The edge of distance test (DT) workbench 3 must have 1 meter of distance, therefore metallic counterpoise 12 and metallic ground tablet 32 can not possibly be directly
Overlap joint needs to be overlapped on metallic counterpoise 12 and metallic ground tablet 32 with wide metallic plate 2 with metallic counterpoise 12 using one
Both ends make to form bridge joint between metallic counterpoise 12 and metallic ground tablet 32, and the electric conductivity to make metallic plate is preferable, usually gold
Belong to the very thin thickness of plate, generally in 0.5mm or so.
It is but this that the earth mat of telescopic antenna is snapped by metallic plate by the side on the metallic ground tablet of test bench
Formula has requirement to the length and width of metallic plate.The width of standard requirement and the weight metal of length can be met simultaneously
Not light, due to dead weight, and metallic plate is very thin, it is easy to make the gold being overlapped between metallic counterpoise and metallic ground tablet
Belong to strip and be deformed into the high arc shape in intermediate low both sides, influence levelness.And test the small difference of these levelness in arrangement
The final accuracy for influencing whether test data.Influence the effect of EMC test.
It is connect in view of the above-mentioned problems, the Chinese utility model patent of Patent No. 201937005U discloses a kind of telescopic antenna
Ground device, belongs to EMC test, including metallic plate, connector, endless belt and stent；Connector is fixedly mounted on metal
Plate bottom surface, the top of stent match and are connected with connector；Endless belt, one end of metallic plate and telescopic antenna are cased on metallic plate
Earth mat overlap joint, and by endless belt shrink elastic force make to obtain good electrical contact between the two.But it in a practical situation, tries
Test place be not singly do EMC test this experiment, usually telescopic antenna only needs not in test site
Testing stand just is built by standard when carrying out EMC test, therefore experiment will reinstall the company of support metallic plate every time
Fitting and stent, and metallic plate is generally very thin very sharp, experiment every time will be carried again, cause building for experimental rig time-consuming
Arduously, use is not convenient enough；And it is still only leaned on certainly between the metallic ground tablet on the other end and test bench of metallic plate
It combines again, between the two without any pressing force, metallic plate easily slides from metallic ground tablet during use.
Utility model content：
The utility model to solve the above problems, provide a kind of telescopic antenna EMC test rack, metallic plate with
Telescopic antenna table design is an entirety, and without carrying out telescopic antenna EMC test every time when carries and places again
Metallic plate, it is simple in structure, it is easy to use.
The utility model is related to a kind of telescopic antenna EMC test rack, including telescopic antenna workbench and experiment work
Make platform, the telescopic antenna workbench is mainly made of telescopic antenna, metallic counterpoise, adapter and stent, the experiment work
Platform is mainly made of wooden table, metallic ground tablet and test configurations boundary, and the metallic counterpoise and metallic ground tablet pass through gold
Belong to slab bridge to connect, which is characterized in that be equipped with fixed pallet between the metallic counterpoise and stent, the adapter is placed in fixed pallet
Inside, the right end of the fixed pallet is rotatably connected to rotation supporting plate, and the right end bottom of the rotation supporting plate is installed with connection
Plate, the metallic plate are fixedly arranged on above rotation supporting plate, and the wood table left end is equipped with the extension that length is 5~10mm, the company
The right end of fishplate bar is detachably connected with extension, and the left end of the right end and metallic ground tablet of the metallic plate is detachably connected.
Metallic plate and telescopic antenna table design are an entirety, telescopic antenna workbench leave unused storage when, metallic plate can be suspended on
On telescopic antenna workbench, and when being tested, it is overlapped on test bench with metallic plate by rotating supporting plate
On the left end of metallic ground tablet, then without testing every time when carries and places metallic plate again, and metallic plate and connecting plate with
Test bench is detachably connected, and makes the more convenient to use and flexible of test-bed.
Wherein, the rotation supporting plate is connected through the hinge in the right end of fixed pallet.Hinge enables rotation supporting plate solid
The right end for determining supporting plate is freely rotated, and hinge has stronger bonding strength.
Wherein, the bottom of the stent is equipped with Universal pulley.Telescopic antenna workbench is enable to facilitate, labour-saving movement position
It puts.
Wherein, the fixed pallet, rotation supporting plate and connecting plate are acrylic material.Acrylic material has excellent
Weatherability, easy processing are cost-effective.
Wherein, support column is equipped between the fixed pallet and stent.Telescopic antenna workbench leave unused storage when, due to rotation
The plate that asks hangs on the right side of fixed pallet, and the right side of fixed pallet is by metallic plate and company on rotation supporting plate and rotation supporting plate
The weight of fishplate bar and push, the right low left high of fixed pallet can be caused, influence levelness, therefore support column is set to balance this portion
Divide gravity.
Wherein, the right end of the connecting plate is bolted with extension.
Wherein, the right end of the metallic plate and the left end of metallic ground tablet are bolted.Being bolted being capable of shape
Into the effective connection for having certain pressing force, metallic plate is made to will not fall off during experiment, can ensure the connection water of metallic plate
Pingdu.
Wherein, the left end of the metallic plate and the right end of metallic counterpoise are bolted.Metallic plate and gold is bolted
It contacts even closer between the net of possession, improves the connection levelness of metallic plate.
Wherein, the metallic plate, rotation supporting plate and connecting plate are bolted.Three is connected into one by bolt
It is whole, make rotation supporting plate in rotation process, relative displacement will not occur easily for metallic plate and connecting plate, be taken off from rotation supporting plate
It falls.
Wherein, the groove being internally provided with for placing adapter of the fixed pallet.
The utility model has the advantages that due to taking above-mentioned technical proposal：
The metallic plate of the utility model is an entirety with telescopic antenna table design, weight during without being tested every time
It newly carries and places metallic plate, save manpower and materials, and the utility model is simple in structure, be easily installed, and metallic plate is put
It is all the effective connection for being formed with certain pressing force to put at the both ends of metallic counterpoise and metallic ground tablet, is testing metallic plate
It will not fall off in the process, and can ensure the levelness of metallic plate, that is, meet the requirement of testing standard, and improve experiment
Efficiency and accuracy.
Description of the drawings：
Fig. 1 is the structure diagram of the prior art；
Fig. 2 is the structure diagram of the utility model；
Fig. 3 is the structure diagram of the utility model at the trial；
Fig. 4 is the schematic cross-section of the fixed pallet of the utility model；
Fig. 5 is the fixed pallet of the utility model and the scheme of installation of adapter.
Label declaration：
1st, telescopic antenna workbench, 2, metallic plate, 3, test bench, 4, rotation supporting plate, 5, connecting plate, 6, first are solid
Determine bolt, the 7, second fixing bolt, 8, third fixing bolt, the 9, the 4th fixing bolt；
11st, telescopic antenna, 12, metallic counterpoise, 13, adapter, 14, stent, 15, fixed pallet, 16, support column, 17, ten thousand
To pulley, 18, hinge；
31st, wooden table, 32, metallic ground tablet, 33, test configurations boundary, 34, extension；
151st, groove, 152, threaded hole.
Specific embodiment：
The utility model is described in further detail below in conjunction with attached drawing.
As described in Fig. 2, Fig. 4 and Fig. 5, a kind of telescopic antenna EMC test rack of the utility model, including being placed on
Telescopic antenna workbench 1 and test bench 3 on floor, telescopic antenna workbench 1 mainly by pull rod 11, metallic counterpoise 12,
Adapter 13 and stent 14 form, and test bench 3 is mainly by 33 groups of wooden table 31, metallic ground tablet 32 and test configurations boundary
Into；2 bottom of metallic counterpoise is installed with fixed pallet 15, fixed pallet 15 be internally provided with the groove 151 of placing adapter 13 and
For the threaded hole 152 of mounting bracket 14,14 bottom of stent is equipped with Universal pulley 17, is equipped between stent 14 and fixed pallet 15
The supporting rod 16 of ABS materials, the right end of fixed pallet 15 are connected with rotation supporting plate 4 by hinge 18, rotate the right end bottom of supporting plate 4
Portion is installed with connecting plate 5, and 4 top of rotation supporting plate is installed with metallic plate 2, and metallic plate 2, rotation supporting plate 4 and connecting plate 5 pass through first
Fixing bolt 6 connects, and it is 5cm extensions 34 that wooden 31 left end of table, which is equipped with length, and right end and the extension 34 of connecting plate 5 pass through second
Fixing bolt 7 connects, and the left end of metallic plate 2 is connect with the right end of metallic counterpoise 12 by third fixing bolt 8, metallic plate 2
Right end is connect with the left end of metallic ground tablet 32 by the 4th fixing bolt 9.
As shown in figure 3, after EMC test, when needing telescopic antenna workbench 1 moving away from test site, take
Lower second fixing bolt 7,8 and the 4th fixing bolt 9 (what dotted portion represented in figure is bolt hole) of third fixing bolt,
Metallic plate 2 and connecting plate 5 are detached with test bench 3, and metallic plate 2 with rotation supporting plate 4 be freely hanging at fixed support
One end of plate 4, then telescopic antenna workbench 1 test site is pushed away by Universal pulley 17, test bench 3 stays in test site
It can also be used to carry out other kinds of experiment in ground, when needing to carry out telescopic antenna EMC test again, it is only necessary to
Telescopic antenna workbench 1 is pushed into test site, the both ends of metallic plate 2 are then bolted to 12 He of metallic counterpoise respectively
Building for testing stand can be completed on metallic ground tablet 32, due to metallic plate 2 and telescopic antenna workbench 1 be designed as one it is whole
Body, then without testing every time when, carry and place metallic plate again, save manpower and materials, and metallic plate 2 is with being placed on metal
The both ends of net 12 and metallic ground tablet 32 are all to be bolted the effective connection for being formed with certain pressing force, make metallic plate
2 will not fall off during experiment, can ensure the levelness of metallic plate 2, so as to make the EMC test of telescopic antenna
Data are more accurate.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the scope of protection of the utility model.
Claims (10)
1. a kind of telescopic antenna EMC test rack, described including telescopic antenna workbench (1) and test bench (3)
Telescopic antenna workbench (1) is mainly made of telescopic antenna (11), metallic counterpoise (12), adapter (13) and stent (14), institute
It states test bench (3) to be mainly made of wooden table (31), metallic ground tablet (32) and test configurations boundary (33), the metal
Earth mat (12) and metallic ground tablet (32) are bridged by metallic plate (2), which is characterized in that the metallic counterpoise (12) and stent
(14) fixed pallet (15) is equipped between, the adapter (13) is placed in the inside of fixed pallet (15), the fixed pallet
(15) right end is rotatably connected to rotation supporting plate (4), and the right end bottom of the rotation supporting plate (4) is installed with connecting plate (5), described
Metallic plate (2) is fixedly arranged on above rotation supporting plate (4), and described wood table (31) left end is equipped with the extension (34) that length is 5~10mm,
The right end of the connecting plate (5) is detachably connected with extension (34), right end and the metallic ground tablet of the metallic plate (2)
(32) left end is detachably connected.
2. telescopic antenna EMC test rack according to claim 1, which is characterized in that the rotation supporting plate (4)
The right end of fixed pallet (15) is connected to by hinge (18).
3. telescopic antenna EMC test rack according to claim 1, which is characterized in that the bottom of the stent (14)
Portion is equipped with Universal pulley (17).
4. telescopic antenna EMC test rack according to claim 1, which is characterized in that the fixed pallet
(15), rotation supporting plate (4) and connecting plate (5) are acrylic material.
5. telescopic antenna EMC test rack according to claim 1, which is characterized in that the fixed pallet (15)
Support column (16) is equipped between stent (14).
6. telescopic antenna EMC test rack according to claim 1, which is characterized in that the connecting plate (5)
Right end is bolted with extension (34).
7. telescopic antenna EMC test rack according to claim 1, which is characterized in that the metallic plate (2)
Right end and the left end of metallic ground tablet (32) are bolted.
8. telescopic antenna EMC test rack according to claim 1, which is characterized in that the metallic plate (2)
Left end and the right end of metallic counterpoise (12) are bolted.
9. telescopic antenna EMC test rack according to claim 1, which is characterized in that the metallic plate (2), rotation
It asks plate (4) and connecting plate (5) is bolted.
10. telescopic antenna EMC test rack according to claim 1, which is characterized in that the fixed pallet
(15) the groove (151) being internally provided with for placing adapter (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695429.2U CN207516403U (en) | 2017-12-08 | 2017-12-08 | A kind of telescopic antenna EMC test rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695429.2U CN207516403U (en) | 2017-12-08 | 2017-12-08 | A kind of telescopic antenna EMC test rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516403U true CN207516403U (en) | 2018-06-19 |
Family
ID=62543372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721695429.2U Expired - Fee Related CN207516403U (en) | 2017-12-08 | 2017-12-08 | A kind of telescopic antenna EMC test rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806500A (en) * | 2019-09-25 | 2020-02-18 | 杭州广安汽车电器有限公司 | Electromagnetic compatibility test fixture |
| CN110931936A (en) * | 2019-12-02 | 2020-03-27 | 北京无线电计量测试研究所 | Pole antenna support |
-
2017
- 2017-12-08 CN CN201721695429.2U patent/CN207516403U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806500A (en) * | 2019-09-25 | 2020-02-18 | 杭州广安汽车电器有限公司 | Electromagnetic compatibility test fixture |
| CN110806500B (en) * | 2019-09-25 | 2021-10-26 | 杭州广安汽车电器有限公司 | Electromagnetic compatibility test fixture |
| CN110931936A (en) * | 2019-12-02 | 2020-03-27 | 北京无线电计量测试研究所 | Pole antenna support |
| CN110931936B (en) * | 2019-12-02 | 2021-01-08 | 北京无线电计量测试研究所 | Pole antenna support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180619 Termination date: 20201208 |