CN202956402U - Testing rack with function of field uniformity - Google Patents
Testing rack with function of field uniformity Download PDFInfo
- Publication number
- CN202956402U CN202956402U CN 201220598965 CN201220598965U CN202956402U CN 202956402 U CN202956402 U CN 202956402U CN 201220598965 CN201220598965 CN 201220598965 CN 201220598965 U CN201220598965 U CN 201220598965U CN 202956402 U CN202956402 U CN 202956402U
- Authority
- CN
- China
- Prior art keywords
- connection structure
- port
- vertical
- testing jig
- transverse connection
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model relates to the technical field of electromagnetic compatible tests, in particular to a testing rack with a function of field uniformity, which comprises multiple transverse connecting structures and multiple vertical connecting structures. In the vertical direction, each supporting rod is connected with a vertical rod via one vertical connecting structure, one vertical rod is connected with another vertical rod via one vertical connecting structure, and the vertical rods and the supporting rod are positioned in the same straight line; one transverse rod is connected with another transverse rod via one transverse connecting structure, one end of a connecting rod is connected with one transverse connecting structure and the other end of the same is connected with one vertical connecting rod, and the connecting rod and the transverse rods are positioned in the same straight line; and the connecting rods are vertical to the vertical rods, and the multiple transverse connecting structures are equipped with probes for measuring field intensity. The testing rack is split into several parts so that the testing rack is convenient to carry; the several parts are assembled to form an integral body, i.e., a surface; and it is not required to move the testing rack in the testing process, testing requirements can be satisfied, and testing time is simultaneously saved.
Description
Technical field
The utility model relates to the EMC test technical field, is specifically related to have the testing jig of field uniformity function.
Background technology
Electromagnetic compatibility, refer to that equipment or system can work in its electromagnetic environment and other things in this environment do not formed the ability of the electromagnetic disturbance that can not bear.Electromagnetic Compatibility comprises the requirement of two aspects: refer to that on the one hand the electromagnetic interference (EMI) that equipment produces the place environment in normal course of operation can not surpass certain limit value; Refer to that on the other hand utensil has immunity to interference to a certain degree, i.e. electromagnetic susceptibility to the electromagnetic interference (EMI) existed in the environment of place.
Stipulated the requirement of 16 field uniformity verifications in the electromagnetic compatibility standard IEC61000-4-3 of International Electrotechnical Commission: under the electromagnetic wave incident condition of certain power, on 12 location points in the space plane shown in Fig. 1 in equally distributed 16 location points, the field intensity that two positions point adopts the field intensity probe to record arbitrarily is poor should be less than 6 decibels.
As the disclosed radiation field homogeneity verification of Chinese patent (application publication number CN102608558A) locating device, its electric field probe can be in level and vertical two-dimensional directional up conversion position, carry out the demarcation of radiation field homogeneity verification key position point when first the measurement after, by electric field probe is changed at the enterprising line position of two-dimensional directional, complete the positioning action of other a plurality of location points of radiation field homogeneity verification in follow-up test.And the 70th section and the 73rd section, its instructions is the test of 16 location points that endwisely slipped of rotation by waling stripe and waling stripe, but such mode error may occur in the evolution process of waling stripe, cause the test result of electric field probe accurate not, and its test formation is a point or a line, both time-consuming, can not reach the distance between each position in test accurately simultaneously.
Summary of the invention
The technical matters that the utility model solves is to provide the testing jig with field uniformity function, its testing jig splits into several parts, be easy to carry, form an integral body after assembling, formation is a face, in test process, testing jig need not move again, can complete accurately test request, saves the test duration simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the testing jig with field uniformity function, wherein, comprise: a plurality of cross bars, a plurality of connecting link, a plurality of support bar, a plurality of montant, a plurality of transverse connection structure and a plurality of vertical connection structure, the vertical direction upper support bar is connected by vertical connection structure with montant, montant is connected by vertical connection structure with montant, and montant and support bar are located along the same line; Cross bar is connected by transverse connection structure with cross bar, and connecting link one end connects transverse connection structure, and the other end connects vertical connection structure, and connecting link and cross bar are located along the same line; Described connecting link, perpendicular to montant, is equipped with the field intensity probe for measuring on described a plurality of transverse connection structures.
Further, described transverse connection structure comprises transverse connection structure the first port, transverse connection structure the second port and transverse connection structure the 3rd port, described transverse connection structure the first port is connected with cross bar or connecting link, and transverse connection structure the second port is connected with cross bar or connecting link; The field intensity probe is set on transverse connection structure the 3rd port.3 ports by transverse connection structure can by connecting link and cross bar reliable and stable be connected to an integral body.Described vertical connection structure comprises vertical connection structure the first port, vertical connection structure the second port and vertical connection structure the 3rd port, vertical connection structure the first port connects support bar or montant, vertical connection structure the second port connects connecting link, and vertical connection structure the 3rd port connects montant or vacant.3 ports by vertical connection structure are can be by support bar, montant and connecting link reliable and stable is connected to an integral body.Vertical connection structure coordinates with transverse connection structure, makes testing jig form a similar netted structure, and in test process, testing jig need not move again, can complete accurately test request, saves the test duration simultaneously.
Further, described field intensity probe bottom is provided with base, and base inserts in transverse connection structure the 3rd port, and the field intensity probe is fixed on transverse connection structure.Described base is cylindrical, base diameter≤30mm.Mostly there is a columniform base existing field intensity probe bottom or base is not set, transverse connection structure the 3rd port position is hollow, the field intensity probe puts in and can just keep the field intensity probe in horizontality, the base of field intensity probe varies, but diameter 30mm can place the field intensity probe of most of model, so the hollow diameter 30mm of transverse connection structure the 3rd port position can place different field intensity probes.
Further, the number of described support bar is 2, and vertically is symmetricly set in the testing jig two ends, and its length is 800mm.Support bar can make whole firm being fixed on ground of testing jig, and its length dimension is moderate, easy installation and removal.
Further, the number of described montant is 6, vertically is symmetricly set in the testing jig two ends, 3, every end, and its length is 500mm; Described vertical connection structure number is 8.The every row of described transverse connection structure is provided with 4, and testing jig is provided with 4 parallel side by side row, totally 16 transverse connection structures; Described cross bar length is 500mm.
Concrete, the test point of 16 test point standard codes, after 16 points have been calibrated, data analysis to these 16 points, i.e. 12 points of 75%(are arranged in these 16 points) the range of tolerable variance of reading at 0dB-+6dB in, prove that this is uniform, meet test request, in the situation that frequency range is less than 1GHZ, this device can meet 16 points or be less than the alignment requirements of 16 points, be greater than 1GHZ for frequency range, what it adopted is independent window method calibrating mode, be exactly that the tolerance of 4 points is in the 0dB-+6dB scope, the zone that these 4 points form is called window, 16 points form 9 windows, the window that can cover product all will be calibrated, this device also can meet this alignment requirements.
Further, described connecting link length is 100mm.To be that 100mm is convenient connect length, consistent with the test surfaces of test products in order to guarantee calibrated even territory, so best by identical length, the while allows testing jig volume minimum in the situation that guarantee normally to complete calibration, so adopted 100mm.
Further, the port of described transverse connection structure and vertical connection structure is equipped with internal thread, and the end of described cross bar, connecting link, support bar, montant is equipped with external thread, and syndeton is fixedly connected with by screw thread with bar.The mode be threaded is simple and convenient, and testing jig may be split into several parts, is easy to carry, and forms an integral body after assembling.
Install testing jig, the field intensity probe is placed on to test one by one on each aspect on testing jig, until 16 points have been tested, disposable 16 points will testing of testing jig after installing are all fixed, so just can reach very accurately the requirement of test, can not cause experimental error bigger than normal because of mobile test frame and measuring error.
Compared with prior art, beneficial effect is: the utility model cross bar is connected by transverse connection structure with cross bar, and connecting link one end connects transverse connection structure, and the other end connects vertical connection structure, and connecting link and cross bar are located along the same line; Described connecting link, perpendicular to montant, is equipped with the field intensity probe for measuring on described a plurality of transverse connection structures.It forms an integral body, and formation is a face, and in test process, testing jig need not move again, can complete accurately test request, saves the test duration simultaneously.
The accompanying drawing explanation
Fig. 1 is the field homogeneous area schematic diagram of ICE61000-4-3 definition;
Fig. 2 is one-piece construction schematic diagram of the present utility model;
Fig. 3 is vertical connection structure schematic diagram of the present utility model;
Fig. 4 is transverse connection structure schematic diagram of the present utility model;
Fig. 5 is integrated testability area schematic of the present utility model.
Embodiment
In Figure 2-4, testing jig with field uniformity function, wherein, comprise: a plurality of cross bars 1, a plurality of connecting link 2, a plurality of support bar 3, a plurality of montant 4, a plurality of transverse connection structure 5 and a plurality of vertical connection structure 6, vertical direction upper support bar 3 is connected by vertical connection structure 6 with montant 4, montant 4 is connected by vertical connection structure 6 with montant 4, and montant 4 is located along the same line with support bar 3; Cross bar 1 is connected by transverse connection structure 5 with cross bar 1, and connecting link 2 one ends connect transverse connection structure 5, and the other end connects vertical connection structure 6, and connecting link 2 is located along the same line with cross bar 1; Described connecting link 2, perpendicular to montant 4, is equipped with the field intensity probe for measuring on described a plurality of transverse connection structures 5.
Further, described transverse connection structure 5 comprises transverse connection structure the first port 51, transverse connection structure the second port 52 and transverse connection structure the 3rd port 53, described transverse connection structure the first port 51 is connected with cross bar 1 or connecting link 2, and transverse connection structure the second port 52 is connected with cross bar 1 or connecting link 2; The field intensity probe is set on transverse connection structure the 3rd port 53.Described vertical connection structure 6 comprises vertical connection structure the first port 61, vertical connection structure the second port 62 and vertical connection structure the 3rd port 63, vertical connection structure the first port 61 connects support bar 3 or montant 4, vertical connection structure the second port 62 connects connecting link 2, and vertical connection structure the 3rd port 63 connects montant 4 or vacant.Vertical connection structure 6 coordinates with transverse connection structure 5, makes testing jig form a similar netted structure, and in test process, testing jig need not move again, can complete accurately test request, saves the test duration simultaneously.
Further, described field intensity probe bottom is provided with base, and base inserts in transverse connection structure the 3rd port 53, and the field intensity probe is fixed on transverse connection structure 5.Described base is cylindrical, base diameter≤30mm.Transverse connection structure the 3rd port 53 positions are hollow, the field intensity probe puts in and can just keep the field intensity probe in horizontality, the base of field intensity probe varies, but diameter 30mm can place the field intensity probe of most of model, so the hollow diameter 30mm of transverse connection structure the 3rd port position can place different field intensity probes.
Further, the number of described support bar 3 is 2, and vertically is symmetricly set in the testing jig two ends, and its length is 800mm.Support bar 3 can make whole firm being fixed on ground of testing jig, and its length dimension is moderate, easy installation and removal.
Further, the number of described montant 4 is 6, vertically is symmetricly set in the testing jig two ends, 3, every end, and its length is 500mm; Described vertical connection structure 6 numbers are 8.The every row of described transverse connection structure 5 is provided with 4, and testing jig is provided with 4 parallel side by side row, totally 16 transverse connection structures 5; Described cross bar 1 length is 500mm.Described connecting link length is 100mm.To be that 100mm is convenient connect length, consistent with the test surfaces of test products in order to guarantee calibrated even territory, so best by identical length, the while allows testing jig volume minimum in the situation that guarantee normally to complete calibration, so adopted 100mm.
The port of described transverse connection structure 5 and vertical connection structure 6 is equipped with internal thread, and the end of described cross bar 1, connecting link 2, support bar 3, montant 4 is equipped with external thread, and syndeton is fixedly connected with by screw thread with bar.The mode be threaded is simple and convenient, and testing jig may be split into several parts, is easy to carry, and forms an integral body after assembling.
As shown in Figure 5, a means an emitting antenna, b means absorbing material, reduce ground return for semi-anechoic chamber, c means optical fiber or, through the signal connecting line of filtering, d means originally to have the testing jig of field uniformity function, testing jig and optical fiber or be connected through the signal connecting line of filtering, testing jig is 3m with the distance of an emitting antenna, and the bottom surface, even territory that testing jig forms is apart from ground 0.8m.
Install testing jig, the field intensity probe is placed on to test one by one on each aspect on testing jig, until 16 points have been tested, disposable 16 points will testing of testing jig after installing are all fixed, so just can reach very accurately the requirement of test, can not cause experimental error bigger than normal because of mobile test frame and measuring error.Guaranteed that the distance between 16 points meets the requirements of the standard.
The above is only preferred implementation of the present utility model, should be understood that, for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can do the improvement of some applicable actual conditions to the technical scheme of utility model.Therefore, protection domain of the present utility model is not limited to this, and those of skill in the art are any to be included within the utility model protection domain based on non-material change on technical solutions of the utility model.
Claims (10)
1. the testing jig that there is the field uniformity function, it is characterized in that, comprise: a plurality of cross bars (1), a plurality of connecting link (2), a plurality of support bar (3), a plurality of montant (4), a plurality of transverse connection structure (5) and a plurality of vertical connection structure (6), vertical direction upper support bar (3) is connected by vertical connection structure (6) with montant (4), montant (4) is connected by vertical connection structure (6) with montant (4), and montant (4) is located along the same line with support bar (3); Cross bar (1) is connected by transverse connection structure (5) with cross bar (1), and connecting link (2) one ends connect transverse connection structure (5), and the other end connects vertical connection structure (6), and connecting link (2) is located along the same line with cross bar (1); Described connecting link (2), perpendicular to montant (4), is equipped with the field intensity probe for measuring on described a plurality of transverse connection structures (5).
2. the testing jig with field uniformity function according to claim 1, it is characterized in that: described transverse connection structure (5) comprises transverse connection structure the first port (51), transverse connection structure the second port (52) and transverse connection structure the 3rd port (53), described transverse connection structure the first port (51) is connected with cross bar (1) or connecting link (2), and transverse connection structure the second port (52) is connected with cross bar (1) or connecting link (2); The field intensity probe is set on transverse connection structure the 3rd port (53).
3. the testing jig with field uniformity function according to claim 2 is characterized in that: described field intensity probe bottom is provided with base, and base inserts in transverse connection structure the 3rd port (53), and the field intensity probe is fixed on transverse connection structure (5).
4. the testing jig with field uniformity function according to claim 3, it is characterized in that: described base is cylindrical, base diameter≤30mm.
5. the testing jig with field uniformity function according to claim 1, it is characterized in that: described vertical connection structure (6) comprises vertical connection structure the first port (61), vertical connection structure the second port (62) and vertical connection structure the 3rd port (63), vertical connection structure the first port (61) connects support bar (3) or montant (4), vertical connection structure the second port (62) connects connecting link (2), and vertical connection structure the 3rd port (63) connects montant (4) or vacant.
6. the testing jig with field uniformity function according to claim 1, it is characterized in that: the number of described support bar (3) is 2, and vertically is symmetricly set in the testing jig two ends, its length is 800mm.
7. the testing jig with field uniformity function according to claim 1, it is characterized in that: the number of described montant (4) is 6, vertically is symmetricly set in the testing jig two ends, 3, every end, its length is 500mm; Described vertical connection structure (6) number is 8.
8. the testing jig with field uniformity function according to claim 1, it is characterized in that: the every row of described transverse connection structure (5) is provided with 4, and testing jig is provided with 4 parallel side by side row, totally 16 transverse connection structures (5); Described cross bar (1) length is 500mm.
9. the testing jig with field uniformity function according to claim 1, it is characterized in that: described connecting link (2) length is 100mm.
10. according to the arbitrary described testing jig with field uniformity function of claim 1-9, it is characterized in that: the port of described transverse connection structure (5) and vertical connection structure (6) is equipped with internal thread, the end of described cross bar (1), connecting link (2), support bar (3), montant (4) is equipped with external thread, and syndeton is fixedly connected with by screw thread with bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220598965 CN202956402U (en) | 2012-11-14 | 2012-11-14 | Testing rack with function of field uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220598965 CN202956402U (en) | 2012-11-14 | 2012-11-14 | Testing rack with function of field uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202956402U true CN202956402U (en) | 2013-05-29 |
Family
ID=48461967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220598965 Expired - Fee Related CN202956402U (en) | 2012-11-14 | 2012-11-14 | Testing rack with function of field uniformity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202956402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955049A (en) * | 2012-11-14 | 2013-03-06 | 广州广电计量检测股份有限公司 | Testing jig with field uniformity function |
-
2012
- 2012-11-14 CN CN 201220598965 patent/CN202956402U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955049A (en) * | 2012-11-14 | 2013-03-06 | 广州广电计量检测股份有限公司 | Testing jig with field uniformity function |
| CN102955049B (en) * | 2012-11-14 | 2014-09-03 | 广州广电计量检测股份有限公司 | Testing jig with field uniformity function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102955049B (en) | Testing jig with field uniformity function | |
| CN204612645U (en) | Circuit board mounting hole checkout equipment | |
| CN105823935B (en) | A kind of semi-anechoic chamber field uniformity test device and its method | |
| CN103576028B (en) | Electromagnetic shielding effectiveness testing system under live room condition and testing method thereof | |
| CN202510114U (en) | Nuclear magnetic resonance logging tool multipoint calibration device | |
| CN106771897B (en) | GIS ultrahigh frequency partial discharge signal attenuation test system and method | |
| CN104793163B (en) | A kind of electromagnetic reverberation room field strength distribution characteristic automatic calibrating method | |
| CN102959414A (en) | Method for locating partial discharge transmission area and associated device | |
| CN102680723A (en) | Speed measurement device of circuit breaker | |
| CN202956402U (en) | Testing rack with function of field uniformity | |
| KR102614075B1 (en) | Substrate testing apparatus | |
| CN203069582U (en) | Triplet type mortar wet expansion test device | |
| Minardo et al. | Structural damage identification in an aluminum composite plate by Brillouin sensing | |
| CN202770349U (en) | Form and position tolerance measurement device | |
| CN203643531U (en) | Low-level frequency sweep current test system | |
| CN203758854U (en) | Assembled anti-shearing fatigue tester | |
| CN202837352U (en) | Probe card mounting table and probe measuring device | |
| CN103185841A (en) | Homogeneous domain testing device and testing method | |
| CN212845732U (en) | IGBT testing arrangement with saturation conduction voltage drop test circuit | |
| CN207662292U (en) | Survey tool for detecting door sash precision | |
| CN202928893U (en) | Bending rigidity test device | |
| CN107677733B (en) | Ultrasonic wave DAC curve preparation auxiliary device | |
| CN106767904B (en) | Calibrating device of vertical plumb line measurement system | |
| CN204389643U (en) | High-precision circuit printed line pin detects module | |
| CN204740304U (en) | Simulation experiment device that track transportation vehicles cable was crosstalked |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |