CN106771696A - MVB uniformity test frock casees - Google Patents
MVB uniformity test frock casees Download PDFInfo
- Publication number
- CN106771696A CN106771696A CN201510836648.7A CN201510836648A CN106771696A CN 106771696 A CN106771696 A CN 106771696A CN 201510836648 A CN201510836648 A CN 201510836648A CN 106771696 A CN106771696 A CN 106771696A
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- mvb
- patch panel
- plug wire
- wire hole
- uniformity
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The embodiment of the present invention provides a kind of MVB uniformity tests frock case, including：MVB uniformity tests circuit board and casing；The MVB uniformity tests circuit board it is accommodating with the casing in；The casing includes patch panel, and the patch panel is provided with multiple through holes, and each through hole is provided with plug wire hole, plug wire hole connector lug electrical connection corresponding with the MVB uniformity tests circuit board.Avoid MVB uniformity tests circuit board exposure in atmosphere, so as to reduce the external world interference, improve the accuracy of test, as long as and test when external equipment joint electrically connected with plug wire hole, it is efficient and convenient, improve testing efficiency.
Description
Technical field
The present invention relates to train bus-line technology, more particularly to a kind of MVB uniformity tests frock case.
Background technology
With flourishing for international and national track transportation industry, multifunctional train bus
The application of (Multifunction Vehicle Bus, abbreviation MVB) is more and more wider.For example, in city
In the vehicles such as city's light rail, subway and railway, many MVB equipment can be all used.In order to prevent
Individual plants disturb bus, all MVB equipment to get on the bus before debugging after getting on the bus, it is necessary in the lab
By MVB uniformity tests.
In the prior art, tested on test circuit plate, will each equipment of test directly connect
Connect on circuit boards, then tested.
But, using prior art, test circuit plate and and the company between each equipment of test
Joint etc. is all directly exposed in air, can be subject to it is extraneous it is larger disturb, cause test result to be forbidden
Really.
The content of the invention
The present invention provides a kind of MVB uniformity tests frock case, for solve existing test circuit plate,
And and the connection between each equipment of test is first-class is all directly exposed in air, can be subject to it is extraneous compared with
The problem of big interference.
The MVB uniformity test frock casees that the present invention is provided, including：MVB uniformity test circuit boards
And casing；
The MVB uniformity tests circuit board is placed in the casing；
The casing includes patch panel, and the patch panel is provided with multiple through holes, is set on each through hole
There is plug wire hole, the plug wire hole is electrically connected with corresponding connector lug on the MVB uniformity tests circuit board
Connect.
In the MVB uniformity test frock casees that the present invention is provided, MVB uniformity tests circuit board is held
It is placed in casing, it is to avoid the exposure of MVB uniformity tests circuit boards is in atmosphere, outer so as to reduce
The interference on boundary, improves the accuracy of test；In addition, patch panel is set on casing, on patch panel
If multiple through holes, each through hole is provided with plug wire hole, and plug wire hole and MVB uniformity test circuit boards
Upper corresponding connector lug electrical connection, as long as the joint of external equipment is electrically connected i.e. with plug wire hole when so testing
Can, it is efficient and convenient, improve testing efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing to be used needed for example or description of the prior art is applied to be briefly described, it should be apparent that, under
Accompanying drawing in the description of face is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the MVB uniformity test frock casees embodiment one that Fig. 1 is provided for the present invention；
The structural representation of the MVB uniformity test frock casees embodiment two that Fig. 2 is provided for the present invention；
The structural representation of the MVB uniformity test frock casees embodiment three that Fig. 3 is provided for the present invention；
The structural representation of the MVB uniformity test frock case example IVs that Fig. 4 is provided for the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with this hair
Accompanying drawing in bright embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
The structural representation of the MVB uniformity test frock casees embodiment one that Fig. 1 is provided for the present invention,
As shown in figure 1, the test fixture case includes：MVB uniformity tests circuit board 01 and casing 02.
Wherein, MVB uniformity tests circuit board 01 is placed in casing 02.
Specifically, above-mentioned casing 02 also includes：Patch panel 21, the patch panel is provided with multiple logical
Hole, each through hole is provided with plug wire hole, and plug wire hole is corresponding with MVB uniformity test circuit boards to be connect
The end of a thread is electrically connected.
When being tested, as long as the equipment that outside need is connected is electrically connected with corresponding plug wire hole,
Without the exposure of MVB uniformity tests circuit board in atmosphere, it is not required that in each joint correspondence company of going
Connect.
In the present embodiment, MVB uniformity test circuit boards are placed in casing, it is to avoid MVB mono-
The exposure of cause property test circuit plate in atmosphere, so as to reduce the interference in the external world, improves the accurate of test
Property；In addition, setting patch panel on casing, multiple through holes are set on patch panel, each through hole is provided with
Plug wire hole, and plug wire hole connector lug electrical connection corresponding with MVB uniformity test circuit boards, so
As long as the joint of external equipment is electrically connected with plug wire hole during test, efficient and convenient, test effect is improve
Rate.
The structural representation of the MVB uniformity test frock casees embodiment two that Fig. 2 is provided for the present invention,
The structural representation of the MVB uniformity test frock casees embodiment three that Fig. 3 is provided for the present invention, Fig. 4
It is the structural representation of the MVB uniformity test frock case example IVs that the present invention is provided.
Above-mentioned patch panel 21 includes the first patch panel 201 and the second patch panel 202, wherein first
Patch panel 201 is used to insert insertion loss test and receiving ability test.Second patch panel 202 is used
It is used for load testing in the second patch panel, but is not limited thereto.The outside that i.e. different tests needs
Equipment is different, and the plug wire hole of required insertion is also different, the plug wire of above-mentioned first patch panel 201 and second
Panel 202 can be arranged on the same side of test fixture case, it is also possible to be distributed in test fixture case not
Same side.
Patch panel as shown in Figure 2 and Figure 3 is the first patch panel 201.First patch panel 201
On jack include：The corresponding plug wire hole (such as J1, J2, J3, J4) of MVB equipment to be tested, show
The corresponding plug wire hole of ripple device (such as MI, M2, M4, M5) and the corresponding plug wire hole of signal generator
(such as S1, S2, S4, S5).
Further, the first patch panel also includes：Adjusting knob R_A and R_B.Adjusting knob R_A
The adjustable resistor electrical connection different from MVB uniformity test circuit boards respectively with R_B.Signal is sent out
The corresponding plug wire hole S1 and S2 of life device can access first via circuit, and S3 and S4 can access the second tunnel
Circuit, adjusting knob R_A is used to adjust the adjustable resistor with first via circuit in parallel, adjusting knob R_B
For adjusting the adjustable resistor with the second road circuit in parallel.
When implementing, the Standard resistance range of above-mentioned adjustable resistor can be 0-120 ohm.
As shown in Fig. 2 when carrying out insertion loss and testing, can simulated field vehicle impedance, can be by
MVB equipment to be tested is accessed on J1, J2 jack, with box house MVB uniformity test circuit boards
The connection of corresponding test splice, when specifically connecting, signal generator, oscillograph also with box house MVB
Corresponding fittings on uniformity test circuit board, and then signal generator transmitting test signal, are showing
Ripple device observes test result.Two MVB lines for connecting MVB equipment to be tested can be docked first,
It is connected with MVB equipment again.
As shown in figure 3, when receiving ability test is carried out, central control unit (central control unit,
Abbreviation CCU) the corresponding patchhole J4 of MVB equipment to be tested is inserted by testing single channel pinboard, treat
Test MVB equipment inserts the corresponding patchhole J3 of MVB equipment to be tested, and plug wire hole S1 and S2 can
To access first via circuit (such as potentiometer), S3 and S4 can access the second road circuit (such as electricity
Position device), specifically, the primary frame signal of MVB is input into by CCU, be can see from oscillograph
The waveform of all MVB data frames in MVB, and adjusted by adjusting adjusting knob R_A and R_B
Whole adjustable resistor and the adjustable resistor with the second road circuit in parallel with first via circuit in parallel,
And then outputed test result by oscillograph.
Patch panel as shown in Figure 4 is the second patch panel 202.Second patch panel 202 includes：
The corresponding plug wire hole (such as J1, J2, J3, J4) of MVB equipment to be tested, load corresponding plug wire hole.
Wherein, " I+, I-, L+, L-, H+, H-, A+, A- " is that the first via loads corresponding patchhole, " I+,
I-, L+, L-, H+, H-, B+, B- " is that the second tunnel loads corresponding patchhole.When implementing,
Load testing can be divided into：Heavy duty test, underloading test and idle test, simulate car in circuit respectively
The situation of different impedances in.Using the scheme in the embodiment of the present invention, corresponding connector lug will be loaded all
It is drawn out on patch panel, different load circuits is so selected according to different demands, and second inserts
Different plug wire hole on line panel, completes to access.
Certainly, during concrete application, each plug wire hole and MVB uniformity can be neatly changed according to demand
The annexation of connector lug, is not limited with above-mentioned example on test circuit plate.Above-mentioned test also can
Performed with reference to specifically standard, this is not restricted.
According to needs are specifically tested, 2 groups of signal generators pair can be provided with above-mentioned first patch panel
The plug wire hole (such as S1 and S2 are one group, and S3 and S4 is one group) answered, in order to access first group
Signal generator and second group of signal generator, naturally it is also possible to access other different external circuits.Phase
Ying Di, can also be provided with the corresponding plug wire hole of 2 groups of oscillographs on above-mentioned first patch panel, in order to insert
Enter two groups of oscillographs, two-way output signal is monitored respectively.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than right
Its limitation；Although being described in detail to the present invention with reference to foregoing embodiments, this area it is common
Technical staff should be understood：It can still modify to the technical scheme described in foregoing embodiments,
Or equivalent is carried out to which part or all technical characteristic；And these modifications or replacement, and
The scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution is not made.
Claims (5)
1. a kind of MVB uniformity tests frock case, it is characterised in that including：MVB uniformity is surveyed
Examination circuit board and casing；
The MVB uniformity tests circuit board is placed in the casing；
The casing includes patch panel, and the patch panel is provided with multiple through holes, is set on each through hole
There is plug wire hole, the plug wire hole is electrically connected with corresponding connector lug on the MVB uniformity tests circuit board
Connect.
2. test fixture case according to claim 1, it is characterised in that the patch panel includes：
First patch panel and the second patch panel, wherein, first patch panel is tested for insertion loss
With receiving ability test, second patch panel is for load testing；
The plug wire hole on first patch panel includes：The corresponding plug wire of MVB equipment to be tested
Hole, the corresponding plug wire hole of oscillograph and the corresponding plug wire hole of signal generator；
The plug wire hole on second patch panel includes：The corresponding plug wire of MVB equipment to be tested
Hole, the corresponding plug wire hole of load.
3. test fixture case according to claim 2, it is characterised in that first patch panel
On also include：Adjusting knob；
The adjusting knob is electrically connected with the adjustable resistor on the MVB uniformity tests circuit board.
4. test fixture case according to claim 3, it is characterised in that the adjustable resistor
Standard resistance range is 0-120 ohm.
5. test fixture case according to claim 2, it is characterised in that first patch panel
On have the corresponding plug wire hole of signal generator described in 2 groups；Correspondingly,
There is the corresponding plug wire hole of 2 groups of oscillographs on first patch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510836648.7A CN106771696A (en) | 2015-11-25 | 2015-11-25 | MVB uniformity test frock casees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510836648.7A CN106771696A (en) | 2015-11-25 | 2015-11-25 | MVB uniformity test frock casees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771696A true CN106771696A (en) | 2017-05-31 |
Family
ID=58965046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510836648.7A Pending CN106771696A (en) | 2015-11-25 | 2015-11-25 | MVB uniformity test frock casees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106771696A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562587A (en) * | 2017-08-28 | 2018-01-09 | 郑州云海信息技术有限公司 | A kind of method of assessment signal link load |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2015084A2 (en) * | 2007-07-11 | 2009-01-14 | Vector Informatik GmbH | Testing device for electric components |
| CN201507306U (en) * | 2009-10-19 | 2010-06-16 | 东营市金地伟业石油应用工程有限责任公司 | Test box of positive-going pulse generator |
| CN102437934A (en) * | 2011-09-08 | 2012-05-02 | 株洲南车时代电气股份有限公司 | Jig plate for testing signals of multifunctional vehicle bus (MVB) and wire train bus (WTB) |
| CN202305591U (en) * | 2011-11-01 | 2012-07-04 | 株洲南车时代电气股份有限公司 | Instrument interface clamp and test system of instrument interface clamp |
| CN202735373U (en) * | 2012-08-07 | 2013-02-13 | 苏州中锦电气科技有限公司 | Quick wiring device used for power supply debugging vehicle |
| CN204559600U (en) * | 2015-01-09 | 2015-08-12 | 北京纵横机电技术开发公司 | A kind of rail vehicle communication network consistency test device |
| CN205210206U (en) * | 2015-11-25 | 2016-05-04 | 中车大连电力牵引研发中心有限公司 | MVB conformance testing frock case |
-
2015
- 2015-11-25 CN CN201510836648.7A patent/CN106771696A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2015084A2 (en) * | 2007-07-11 | 2009-01-14 | Vector Informatik GmbH | Testing device for electric components |
| CN201507306U (en) * | 2009-10-19 | 2010-06-16 | 东营市金地伟业石油应用工程有限责任公司 | Test box of positive-going pulse generator |
| CN102437934A (en) * | 2011-09-08 | 2012-05-02 | 株洲南车时代电气股份有限公司 | Jig plate for testing signals of multifunctional vehicle bus (MVB) and wire train bus (WTB) |
| CN202305591U (en) * | 2011-11-01 | 2012-07-04 | 株洲南车时代电气股份有限公司 | Instrument interface clamp and test system of instrument interface clamp |
| CN202735373U (en) * | 2012-08-07 | 2013-02-13 | 苏州中锦电气科技有限公司 | Quick wiring device used for power supply debugging vehicle |
| CN204559600U (en) * | 2015-01-09 | 2015-08-12 | 北京纵横机电技术开发公司 | A kind of rail vehicle communication network consistency test device |
| CN205210206U (en) * | 2015-11-25 | 2016-05-04 | 中车大连电力牵引研发中心有限公司 | MVB conformance testing frock case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562587A (en) * | 2017-08-28 | 2018-01-09 | 郑州云海信息技术有限公司 | A kind of method of assessment signal link load |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |