CN207181536U - A kind of compatible antenna measurement darkroom - Google Patents
A kind of compatible antenna measurement darkroom Download PDFInfo
- Publication number
- CN207181536U CN207181536U CN201721202269.3U CN201721202269U CN207181536U CN 207181536 U CN207181536 U CN 207181536U CN 201721202269 U CN201721202269 U CN 201721202269U CN 207181536 U CN207181536 U CN 207181536U
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- CN
- China
- Prior art keywords
- darkroom
- taper
- antenna measurement
- compatible antenna
- screened room
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of compatible antenna measurement darkroom, including screened room, shield door and turntable, absorbing material is provided with the chassis body madial wall, the screened room inner bottom is provided with taper darkroom, and it is divided into mirror sections and dead zone inside the taper darkroom, the side of the mirror sections is provided with mounting hole, and pedestal is provided with the dead zone, and the pedestal upper end is provided with turntable.Have the beneficial effect that：Suitable for low-frequency compatible antenna measurement, the accuracy of test result is improved；One taper darkroom is set again in screened room, pass through dual shield effect, so that shield effectiveness is more preferable, and the mirror sections in taper darkroom are close to the aperture of source antenna, therefore mirror-reflection turns into a part for irradiation, and mirror sections can be used for entering to inject dead zone by one group of parallel ray of formation, so as to produce irradiation, the test of antenna is completed, favorable working performance, is tested suitable for the electromagnetism of low frequency high impedance.
Description
Technical field
It the utility model is related to a kind of electromagnetic equipment technical field of measurement and test, and in particular to a kind of compatible antenna measurement is dark
Room.
Background technology
With the development of antenna technology, antenna measurement technology is also with development.For Antenna Pattern Measuring Test method, with
The method that who knows toward people is outdoor sports far field test.But due to developing by leaps and bounds for microwave absorbing material technology and computer,
And other subject, such as the maturation of holographic technology, Pattern measurement technology is developed into from outdoor sports test and vied each other
The various test being complementary to one another again.Gradually switched to based on indoor test by conventional outdoor test, supplemented by outdoor test.Closely
Nian Lai, a large amount of microwave dark rooms complete for use, are exactly distinct mark.The built microwave dark room in the country more than 80, some are raised
In building, and the external microwave dark room built up is individual more than 400.
Microwave dark room, also known as without echo room, absorber lined chamber, anechoic chamber,.When electromagnetic wave incident to metope, ceiling, ground,
Most electromagnetic waves are absorbed, and are transmitted, reflected seldom.Microwave also has some characteristics of light, by the implication of optical dark room,
Therefore it is named as microwave dark room.Microwave dark room is the particular room set up using absorbing material SA works and metal shield, and it is provided
Artificial spacious " free space " condition.The radio communication products such as antenna, radar are done in darkroom and electronic product test can be with
From noise jamming, the measuring accuracy and efficiency of equipment under test are improved.Growing with electronic technology, microwave dark room is by more
More people understands and application.Microwave dark room is exactly to manufacture a closing space with absorbing material, can thus be made in darkroom
A pure electromagnetic environment is produced, to facilitate exclusion outside electromagnetic interference.
Existing microwave dark room is mostly rectangle darkroom, and rectangle darkroom is easier to manufacture, the physics chi in the case of low frequency
It is very little very big, and can be more preferable with the raising service behaviour of frequency.Due to the difference for the frequency range that antenna darkroom and EMC darkrooms work
The opposite sex, cause the test of low-frequency range and high band compatible, and during the test of compatible antenna, frequency is relatively low, uses square
Larger error to the test result of antenna be present in shape darkroom.In order to meet the needs of low-frequency range impedance, we design and developed
The anti-absorbing material of electric frequency range high, designs with reference to unique layout, can evade this defect.
Utility model content
The utility model provides a kind of compatible antenna measurement darkroom, solves existing microwave dark room and is used for low frequency
Test when, the problem of error is larger, impedance is low.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of compatible antenna measurement darkroom of the utility model, including screened room, shield door and turntable, the screened room
It is made up of main body frame and chassis body, absorbing material, the chassis body is provided with the chassis body madial wall
Side be provided with shield door, the screened room inner bottom is provided with taper darkroom, also is provided with inhaling on the madial wall of the taper darkroom
Wave material, and it is divided into mirror sections and dead zone inside the taper darkroom, the side of the mirror sections is provided with mounting hole, and
Pedestal is provided with the dead zone, the pedestal upper end is provided with turntable, and the side in the taper darkroom is provided with disengaging cable
Delivery outlet.
As a kind of optimal technical scheme of the present utility model, the main body frame is used and is welded together.
As a kind of optimal technical scheme of the present utility model, the chassis body and taper darkroom are inhaled by ferrite
Wave material is made.
As a kind of optimal technical scheme of the present utility model, the locking of the shield door uses two point wedge lock tight knot
Structure, and the junction of the shield door and chassis body and main body frame is equipped with shield gasket circle.
As a kind of optimal technical scheme of the present utility model, the absorbing material is a kind of adhesive or velcro
Solid foam absorber, set in triangular pyramids shape.
As a kind of optimal technical scheme of the present utility model, illumination is provided with inside the screened room and taper darkroom
Device, air-conditioning system and video monitoring system.
The beneficial effect that the utility model is reached is：The utility model chassis body uses ferrite wave-absorbing material system
Into suitable for low-frequency compatible antenna measurement, improving the accuracy of test result；Set one again in screened room
Taper darkroom, pass through dual shield effect so that shield effectiveness is more preferable, and the mirror sections in taper darkroom are close to source antenna
Aperture, therefore mirror-reflection turns into a part for irradiation, mirror sections can be used for entering to inject by forming one group of parallel ray
Dead zone, so as to produce irradiation, so as to complete the test of antenna, favorable working performance, tested suitable for the electromagnetism of low frequency high impedance.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is a kind of internal structure schematic diagram in compatible antenna measurement darkroom of the utility model；
Fig. 2 is a kind of main structure diagram in compatible antenna measurement darkroom of the utility model；
In figure：1st, screened room；2nd, shield door；3rd, turntable；4th, main body frame；5th, chassis body；6th, absorbing material；7th, taper
Darkroom；8th, mirror sections；9th, dead zone；10th, delivery outlet；11st, mounting hole；12nd, pedestal.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment：As shown in Figure 1-2, a kind of compatible antenna measurement darkroom of the utility model, including screened room 1, screen
Door 2 and turntable 3 are covered, screened room 1 is made up of main body frame 4 and chassis body 5, and suction is provided with the madial wall of chassis body 5
Wave material 6, the side of chassis body 5 are provided with shield door 2, and the inner bottom of screened room 1 is provided with taper darkroom 7, the inner side of taper darkroom 7
Absorbing material 6 also is provided with wall, absorbing material 6 also is provided with the madial wall of taper darkroom 7, and be divided into minute surface inside taper darkroom 7
Region 8 and dead zone 9, the side of mirror sections 8 is provided with mounting hole 11, and pedestal 12 is provided with dead zone 9, and the upper end of pedestal 12 is set
Turntable 3 is equipped with, and the side in taper darkroom 7 is provided with the delivery outlet 10 of disengaging cable.
Main body frame 4 ensure that the stability in test darkroom using being welded together.
Chassis body 5 and taper darkroom 7 are made up of ferrite wave-absorbing material, and absorbing material uses polyurethane and inhales ripple sea
Continuous SA, but polyurethane inhales ripple sponge SA and is applied to high-frequency electromagnetic equipment, and ferrite wave-absorbing material is set for low frequency electromagnetic
Standby test.
The locking of shield door 2 uses two point wedge locking mechanism, and shield door 2 and chassis body 5 and the company of main body frame 4
The place of connecing is equipped with shield gasket circle, causes the tight of shield door 2 using two point wedge locking mechanism, and shield effectiveness is more preferable, sets
The electromagnetism that shield gasket circle avoids external electromagnetism from entering in screened room 1 or screened room 1 is spilt.
Absorbing material 6 is the solid foam absorber of a kind of adhesive or velcro, is set in triangular pyramids shape.
Lighting device, air-conditioning system and video monitoring system are provided with inside screened room 1 and taper darkroom 7, is microwave
Darkroom provides good environment.
Specifically, when in use, screened room 1 uses ferrite wave-absorbing material, tested suitable for low frequency electromagnetic equipment, will be outer
The electromagnetism barrier connect, the test of antenna is carried out in taper darkroom 7, fixes antenna at the mounting hole 11 in mirror sections 8,
Mirror-reflection turns into a part for irradiation, and mirror sections 8 can be used for entering to inject in dead zone 9 by forming one group of parallel ray,
Turntable 3 in dead zone 9 has rotated the test of twin aerial.
This kind of compatible antenna measurement darkroom, the utility model chassis body are made of ferrite wave-absorbing material, are fitted
For low-frequency compatible antenna measurement, the accuracy of test result is improved；One taper is set again in screened room
Darkroom, pass through dual shield effect so that shield effectiveness is more preferable, and the mirror sections in taper darkroom are close to the hole of source antenna
Footpath, therefore mirror-reflection turns into a part for irradiation, mirror sections can be quiet for entering to inject by one group of parallel ray of formation
Area, so as to produce irradiation, so as to complete the test of antenna, favorable working performance, tested suitable for the electromagnetism of low frequency high impedance.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of compatible antenna measurement darkroom, including screened room（1）, shield door（2）And turntable（3）, the screened room（1）
It is by main body frame（4）And chassis body（5）Composition, it is characterised in that the chassis body（5）Suction is provided with madial wall
Wave material（6）, the chassis body（5）Side be provided with shield door（2）, the screened room（1）It is dark that inner bottom is provided with taper
Room（7）, the taper darkroom（7）Absorbing material also is provided with madial wall（6）, and the taper darkroom（7）Inside is divided into minute surface
Region（8）And dead zone（9）, the mirror sections（8）Side be provided with mounting hole（11）, and the dead zone（9）Inside it is provided with
Pedestal（12）, the pedestal（12）Upper end is provided with turntable（3）, the taper darkroom（7）Side be provided with disengaging cable it is defeated
Outlet（10）.
A kind of 2. compatible antenna measurement darkroom according to claim 1, it is characterised in that the main body frame（4）
Using being welded together.
A kind of 3. compatible antenna measurement darkroom according to claim 1, it is characterised in that the chassis body（5）
With taper darkroom（7）It is made up of ferrite wave-absorbing material.
A kind of 4. compatible antenna measurement darkroom according to claim 1, it is characterised in that the shield door（2）'s
Locking uses two point wedge locking mechanism, and the shield door（2）And chassis body（5）With main body frame（4）Junction it is equal
Provided with shield gasket circle.
A kind of 5. compatible antenna measurement darkroom according to claim 1, it is characterised in that the absorbing material（6）
For a kind of adhesive or the solid foam absorber of velcro, set in triangular pyramids shape.
A kind of 6. compatible antenna measurement darkroom according to claim 1, it is characterised in that the screened room（1）With
Taper darkroom（7）Inside is provided with lighting device, air-conditioning system and video monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202269.3U CN207181536U (en) | 2017-09-20 | 2017-09-20 | A kind of compatible antenna measurement darkroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202269.3U CN207181536U (en) | 2017-09-20 | 2017-09-20 | A kind of compatible antenna measurement darkroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181536U true CN207181536U (en) | 2018-04-03 |
Family
ID=61746853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721202269.3U Expired - Fee Related CN207181536U (en) | 2017-09-20 | 2017-09-20 | A kind of compatible antenna measurement darkroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181536U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872720A (en) * | 2018-09-04 | 2018-11-23 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type more switching test system |
| CN109100549A (en) * | 2018-09-04 | 2018-12-28 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type replacement antenna |
| CN109239470A (en) * | 2018-09-04 | 2019-01-18 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type more switching test system |
| CN109327594A (en) * | 2018-11-27 | 2019-02-12 | 厦门市摩尔环宇通信技术有限公司 | A kind of OTA test darkroom |
| CN113253036A (en) * | 2021-06-11 | 2021-08-13 | 南京容测检测技术有限公司 | Darkroom reconfigurable strip line for electromagnetic compatibility test |
| JP2021129039A (en) * | 2020-02-14 | 2021-09-02 | エスペック株式会社 | Radio wave shield chamber and radio wave test method |
| CN116859135A (en) * | 2023-08-31 | 2023-10-10 | 辽宁信鼎检测认证有限公司 | Communication contrast test system suitable for wireless product |
-
2017
- 2017-09-20 CN CN201721202269.3U patent/CN207181536U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872720B (en) * | 2018-09-04 | 2023-10-13 | 广州市诚臻电子科技有限公司 | Shielding room of extraction-insertion type replacement testing system |
| CN109100549A (en) * | 2018-09-04 | 2018-12-28 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type replacement antenna |
| CN109239470A (en) * | 2018-09-04 | 2019-01-18 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type more switching test system |
| CN109100549B (en) * | 2018-09-04 | 2023-10-13 | 广州市诚臻电子科技有限公司 | Shielding room for replacing antenna by drawing and inserting |
| CN108872720A (en) * | 2018-09-04 | 2018-11-23 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type more switching test system |
| CN109239470B (en) * | 2018-09-04 | 2023-06-23 | 广州市诚臻电子科技有限公司 | Shielding room of extraction-insertion type replacement testing system |
| CN109327594A (en) * | 2018-11-27 | 2019-02-12 | 厦门市摩尔环宇通信技术有限公司 | A kind of OTA test darkroom |
| JP2021129039A (en) * | 2020-02-14 | 2021-09-02 | エスペック株式会社 | Radio wave shield chamber and radio wave test method |
| JP7307687B2 (en) | 2020-02-14 | 2023-07-12 | エスペック株式会社 | Radio wave shield chamber and radio wave test method |
| CN113253036B (en) * | 2021-06-11 | 2021-09-17 | 南京容测检测技术有限公司 | Darkroom reconfigurable strip line for electromagnetic compatibility test |
| CN113253036A (en) * | 2021-06-11 | 2021-08-13 | 南京容测检测技术有限公司 | Darkroom reconfigurable strip line for electromagnetic compatibility test |
| CN116859135A (en) * | 2023-08-31 | 2023-10-10 | 辽宁信鼎检测认证有限公司 | Communication contrast test system suitable for wireless product |
| CN116859135B (en) * | 2023-08-31 | 2023-10-31 | 辽宁信鼎检测认证有限公司 | Communication contrast test system suitable for wireless product |
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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: 20180403 Termination date: 20190920 |