CN207516465U - A kind of simulating, verifying test device of shielded cable - Google Patents
A kind of simulating, verifying test device of shielded cable Download PDFInfo
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- CN207516465U CN207516465U CN201721564055.0U CN201721564055U CN207516465U CN 207516465 U CN207516465 U CN 207516465U CN 201721564055 U CN201721564055 U CN 201721564055U CN 207516465 U CN207516465 U CN 207516465U
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- test device
- shielded cable
- simulating
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- verifying
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Abstract
The utility model is related to the technical field of test device, more particularly, to a kind of simulating, verifying test device of shielded cable.A kind of simulating, verifying test device of shielded cable including test device main body, is horizontally through the shielded cable of test device main body, probe is equipped in the test device main body, probe is connected at the receiver of test device body exterior.Save time and the cost that test and positioning solve the problems, such as, and the electromagnetic compatibility characteristic of effective lifting means, and the test device can provide a kind of effectively reliable means of testing in shielded cable simulating, verifying, be conducive to the constantly improve of simulation parameter and make its simulation result that can more approach the electromagnetic environment for actually using place, can increase our company technical advantage in electromagnetic compatibility business afterwards.It, can be in a manner of very intuitive and effectively understand the mechanism and electromagnetic noise propagation that electromagnetic compatibility generates importantly, being used cooperatively by Emulation of EMC and test device.
Description
Technical field
The utility model is related to the technical field of test device, more particularly, to a kind of simulating, verifying of shielded cable
Test device.
Background technology
With the fast development of electronic technology, electronic equipment towards broadband, high integration direction develop while structure
Also become even more complex.Many complication systems (such as automobile, guided missile, aircraft) have begun to transmit using a large amount of cable bundle
Signal, the EMC problems of cable bundle are more and more prominent.In order in the maximum Electro Magnetic Compatibility for saving cost and guarantee system under shortening
Can, the crosstalk of cable, radiation and the characteristics such as anti-interference must just be emulated in the design phase of product, and the knot emulated
How fruit depends on the verification experimental verification of early period.
Utility model content
The utility model is at least one defect overcome described in the above-mentioned prior art, provides a kind of emulation of shielded cable
Validation test device can measure the actual signal of cable sensing in the case where free surrounding space electromagnetic interference is isolated.
The technical solution of the utility model is：A kind of simulating, verifying test device of shielded cable, wherein, it is filled including test
Main body, the shielded cable for being horizontally through test device main body are put, probe is equipped in the test device main body, probe connection is set
In the receiver of test device body exterior.
With the continuous development of emulation technology now, how effectively shielded cable emulation and verification result to be combined
Come, shielded cable simulation result is enable to be bonded measured result, and measured result is able to verify that shielded cable emulates, key is that
We go to ensure the authenticity of test signal, but often more complicated there is various again for actual electromagnetic environment in actual test
The abundant electromagnetic wave of various kinds type, and in order to ensure test loop will not be influenced really to have so as to measure by external electromagnetic wave
The signal of effect, it is necessary to make a test device to realize.
In the utility model, the interference signal that interference source generates is coupled respectively to shielding line in certain distance by space
Cable and test device outer surface are passed through the reflection of test device outer surface coupled to the interference signal of test device outer surface and are connect
Ground complete attenuation can generate certain sensing letter after shielding layer segment attenuation coupled to the interference signal of shielded cable in core wire
Number；The real frequency spectrum component of the inductive signal will be obtained by the monitoring probe built in test device.Then probe is signal
It is transferred in receiver.
Further, the test device body outer wall is equipped with radio frequency adapter, and the connection of radio frequency adapter one end is visited
Head, other end connection receiver.The characteristics of being disturbed due to the frequency content and amplitude little Yi of inductive signal complexity, according to frequency
The rate scope of application and shield effectiveness use radio frequency adapter to the interface for measuring cable and test device, to ensure that inductive signal is true
It is real detectable.
Further, it is equipped in the test device main body and is used to support probe and the supporting rack of shielded cable.Support
Frame includes probe fixing support rack and cable support frame, makes position, probe position test device in of the cable in probe
It is consistent in each test, to ensure the repdocutbility of test result and comparativity, supporter selects non-conductive low dielectric normal
Number material is to avoid influence test result.
Further, the supporting rack bottom is additionally provided with guide rail.Due to the frequency content and line of inductive signal complexity
The architectural characteristic of cable, it is not same position that may influence the optimum value measured every time, so being visited using guide rail by mobile
Head can measure optimum value.
Further, the shielded cable is with being equipped with interface at test device body contact.The interface is taper
Structure.Shielded cable shielded layer and the interface of test device are setting using pyramidal structure and at test device groove, can
The electric continuity of shielded layer and test device housing is made to reach best.
Further, this test device material selects the best red copper of electric conductivity in aluminium, iron, copper, and head cover is being tied
L-type or U-shaped structure are used at conjunction to ensure the maximum shield effectiveness to electromagnetic wave.
Compared with prior art, advantageous effect is：For the electromagnetic compatibility quickly grown in recent years in field of electromagnetic compatibility
Emulation, in use can look-ahead Devices to test electromagnetic radiation and compatibility feature, the root of orientation problem and weigh each
The effect that kind of corrective measure improves whole Electro Magnetic Compatibility, can greatly save time that test and positioning solve the problems, such as with
Cost, and the effectively electromagnetic compatibility characteristic of lifting means, and the test device can provide one kind in shielded cable simulating, verifying
Effective reliable means of testing is conducive to the constantly improve of simulation parameter and makes its simulation result that can more approach actual use place
Electromagnetic environment, our company technical advantage can be increased in electromagnetic compatibility business afterwards.Importantly, it is imitated by electromagnetic compatibility
It is true and test device to be used cooperatively, it can mechanism that is very intuitive and effectively understanding electromagnetic compatibility generation and electromagnetic noise biography
The mode broadcast so as to deepen the understanding and cognition to electromagnetic compatibility problem, is conducive to the work after us.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in Figure 1, a kind of simulating, verifying test device of shielded cable, wherein, including test device main body 5, laterally
Across the shielded cable 1 of test device main body 5, probe 2 is equipped in test device main body 5, probe 2 is connected at test device master
Receiver 7 outside body 5.
In the present embodiment, with the continuous development of emulation technology now, how effectively shielded cable to be emulated and tested
Card result combines, and shielded cable simulation result is enable to be bonded measured result, and measured result is able to verify that shielded cable is imitated
Very, it is crucial to be that we go to ensure the authenticity of test signal, but actual electromagnetic environment often compares again in actual test
Complexity is there is the abundant electromagnetic wave of various type, and in order to ensure test loop will not be influenced by external electromagnetic wave
So as to measure authentic and valid signal, it is necessary to make a test device to realize.
In Fig. 1, in the present embodiment, the interference signal that interference source generates is coupled respectively in certain distance by space
The anti-of test device outer surface is passed through in shielded cable and test device outer surface coupled to the interference signal of test device outer surface
Complete attenuation is penetrated and be grounded, can be generated centainly in core wire after shielding layer segment attenuation coupled to the interference signal of shielded cable
Inductive signal；The real frequency spectrum component of the inductive signal will be obtained by the monitoring probe 2 built in test device.Then it pops one's head in
In signal transmission to receiver 7；3 represent core wire, and 8 represent interference source.
Specifically, 5 outer wall of test device main body is equipped with radio frequency adapter 10,10 one end of radio frequency adapter connects probe 2,
The other end connects receiver 7.The characteristics of being disturbed due to the frequency content and amplitude little Yi of inductive signal complexity, according to frequency
The scope of application and shield effectiveness use radio frequency adapter 10 to the interface for measuring cable and test device, to ensure that inductive signal is true
It is real detectable.
It is equipped in test device main body 5 and is used to support probe and the supporting rack 4 of shielded cable.It is solid that supporting rack 4 includes probe
Determine supporting rack and cable support frame, make position of the cable in probe, position of the probe in test device in each test
Be consistent, to ensure the repdocutbility of test result and comparativity, supporter select non-conductive low-k material to avoid
Influence test result.
4 bottom of supporting rack is additionally provided with guide rail 9.Due to the frequency content of inductive signal complexity and the architectural characteristic of cable,
It is not same position that may influence the optimum value measured every time, so can be measured most by mobile probe using guide rail 9
Good value.
Shielded cable is with being equipped with interface 6 at test device body contact.Interface 6 is pyramidal structure.Shielded cable shielded layer
Using pyramidal structure and groove at test device is being set with the interface of test device, shielded layer and test device shell can be made
The electric continuity of body reaches best.
This test device material selects the best red copper of electric conductivity in aluminium, iron, copper, and L is used in junction for head cover
Type or U-shaped structure are to ensure the maximum shield effectiveness to electromagnetic wave.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (6)
1. the simulating, verifying test device of a kind of shielded cable, which is characterized in that including test device main body（5）, be horizontally through
Test device main body（5）Shielded cable（1）, the test device main body（5）It is interior to be equipped with probe（2）, probe（2）Connection is set
In test device main body（5）External receiver（7）.
2. a kind of simulating, verifying test device of shielded cable according to claim 1, it is characterised in that：The test
Apparatus main body（5）Outer wall is equipped with radio frequency adapter（10）, radio frequency adapter（10）One end connection probe（2）, other end connection
Receiver（7）.
3. a kind of simulating, verifying test device of shielded cable according to claim 2, it is characterised in that：The test
Apparatus main body（5）Interior be equipped with is used to support probe and the supporting rack of shielded cable（4）.
4. a kind of simulating, verifying test device of shielded cable according to claim 3, it is characterised in that：The support
Frame（4）Bottom is additionally provided with guide rail（9）.
5. a kind of simulating, verifying test device of shielded cable according to any one of claims 1 to 4, it is characterised in that：Institute
The shielded cable stated（1）With test device main body（5）Contact position is equipped with interface（6）.
6. a kind of simulating, verifying test device of shielded cable according to claim 5, it is characterised in that：The interface
（6）For pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564055.0U CN207516465U (en) | 2017-11-21 | 2017-11-21 | A kind of simulating, verifying test device of shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564055.0U CN207516465U (en) | 2017-11-21 | 2017-11-21 | A kind of simulating, verifying test device of shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516465U true CN207516465U (en) | 2018-06-19 |
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ID=62539689
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721564055.0U Active CN207516465U (en) | 2017-11-21 | 2017-11-21 | A kind of simulating, verifying test device of shielded cable |
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| CN (1) | CN207516465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966624A (en) * | 2017-11-21 | 2018-04-27 | 广电计量检测（西安）有限公司 | A kind of simulating, verifying test device of shielded cable |
| CN109375020A (en) * | 2018-11-09 | 2019-02-22 | 中国汽车技术研究中心有限公司 | A kind of test device and method of new-energy automobile high-tension cable shield effectiveness |
-
2017
- 2017-11-21 CN CN201721564055.0U patent/CN207516465U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966624A (en) * | 2017-11-21 | 2018-04-27 | 广电计量检测（西安）有限公司 | A kind of simulating, verifying test device of shielded cable |
| CN109375020A (en) * | 2018-11-09 | 2019-02-22 | 中国汽车技术研究中心有限公司 | A kind of test device and method of new-energy automobile high-tension cable shield effectiveness |
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