CN206557315U - A kind of signal access device for direct fault location, direct fault location test system - Google Patents
A kind of signal access device for direct fault location, direct fault location test system Download PDFInfo
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- CN206557315U CN206557315U CN201720280079.7U CN201720280079U CN206557315U CN 206557315 U CN206557315 U CN 206557315U CN 201720280079 U CN201720280079 U CN 201720280079U CN 206557315 U CN206557315 U CN 206557315U
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Abstract
The utility model provides a kind of signal access device for direct fault location, direct fault location test system, the direct fault location test system includes the signal access device, the signal access device includes Fault Insertion Equipment (1), the first matrix device (2) that its output end is connected with the input of Fault Insertion Equipment (1), the second matrix device (3) that its input is connected with the output end of Fault Insertion Equipment (1), and correspond the single-pole double-throw switch (SPDT) (41) set with each paths of actual signal in tested loop, first output end of single-pole double-throw switch (SPDT) (41) is connected with the input of the first matrix device (2), second output end of single-pole double-throw switch (SPDT) (41) and the output end of the second matrix device (3) go to section to be connected with the signal of passage.The signal access device of the utility model offer, test system realize being switched fast for direct fault location passage, and then improve the establishment efficiency of experiment configuration.
Description
Technical field
The utility model is related to direct fault location technical field of measurement and test, and a kind of more particularly to signal for direct fault location connects
Enter device, direct fault location test system.
Background technology
During direct fault location is a kind of electronic system reliability testing technology, concrete application, can from physical layer, electrical layer or
Protocol layer injects fault-signal.
The equipment for producing fault-signal is limited to the influence of volume (generally standard 1U restockings size), is typically only capable to realize
A small number of several signals, and during HWIL simulation, the number of channels of actual signal can be produced much larger than Fault Insertion Equipment
The number of channels of raw fault-signal.Therefore, when carrying out direct fault location test at present, it is common that by all actual signals and failure
Signal all leads to test panel, is then sealed in fault-signal in hardware-in-the-loop environment by the way of access by hand,
Referring to Fig. 1 and Fig. 2, testing crew is sealed in fault-signal in actual signal with short-circuiting cable, to realize that fault-signal access is imitative
In true test system.
Experiment needs the experiment configuration switched to differ every time, and frequently tears open, connects short-circuiting cable not only workload very big, efficiency
Lowly, but also the problems such as human operational error can be brought, therefore, being switched fast for direct fault location passage how is realized, to carry
The establishment efficiency of height experiment configuration, becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of signal access device, direct fault location for direct fault location and tested
System, the direct fault location test system includes the signal access device, and the signal access device realizes direct fault location passage
Be switched fast, and then improve experiment configuration establishment efficiency.
In order to achieve the above object, the utility model provides following technical scheme：
The utility model provides a kind of signal access device for direct fault location, including：
Fault Insertion Equipment, for producing fault-signal；
The first matrix device that its output end is connected with the input of the Fault Insertion Equipment；
The second matrix device that its input is connected with the output end of the Fault Insertion Equipment；
The single-pole double-throw switch (SPDT) set is corresponded with each paths of actual signal in tested loop, the hilted broadsword is double
First output end of throw switch is connected with the input of first matrix device, the input of the single-pole double-throw switch (SPDT) and institute
State passage signal come section be connected, the output end of the second output end of the single-pole double-throw switch (SPDT) and second matrix device
Signal with the passage goes to section to be connected.
Preferably, in above-mentioned signal access device, the single-pole double-throw switch (SPDT) uses program-controlled relay switch.
Preferably, in above-mentioned signal access device, including for controlling the grammed switch of the single-pole double-throw switch (SPDT) to set
It is standby.
Preferably, in above-mentioned signal access device, the grammed switch equipment includes being arranged on the signal of the passage
Remove the either-or switch in section, the second output end phase of the first input end of the either-or switch and the single-pole double-throw switch (SPDT)
Even, the second input of the either-or switch is connected with the output end of second matrix device.
The utility model additionally provides a kind of direct fault location test system, including accesses dress for the signal of direct fault location
Put, the signal access device is the signal access device disclosed in above-mentioned any one.
It can be seen from above-mentioned technical proposal, the signal access device for direct fault location of the utility model offer, failure
Injection Testing, the input of Fault Insertion Equipment is connected with the first matrix device, and the first matrix device is double by hilted broadsword
Throw switch comes section with the signal of passage in tested loop and is connected, therefore, when wanting to create different test configurations, only need by
Need to inject the single-pole double-throw switch (SPDT) corresponding to the passage of fault-signal and get to the first output end, eliminate and tear open, connect short circuit
The trouble of cable, it can be seen that, the signal access device, can be very big when subsequently creating different experiment configurations once installation
Ground reduces workload, improves the establishment efficiency of experiment configuration.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is semi-hardware type simulation test system signal connection diagram；
Fig. 2 is the schematic diagram that fault-signal is accessed to semi-hardware type simulation test system by hand；
Fig. 3 is a kind of principle signal for signal access device for direct fault location that the utility model embodiment is provided
Figure.
Marked in figure：
1st, Fault Insertion Equipment；2nd, the first matrix device；3rd, the second matrix device；4th, grammed switch equipment；41st, hilted broadsword is double
Throw switch；42nd, either-or switch.
Embodiment
In order to make it easy to understand, the utility model will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 3, a kind of principle of the signal access device for direct fault location provided for the utility model embodiment
Schematic diagram.
A kind of signal access device for direct fault location that the utility model embodiment is provided includes Fault Insertion Equipment
1st, the first matrix device 2, the second matrix device 3 and single-pole double-throw switch (SPDT) 41.
Wherein, Fault Insertion Equipment 1 is used to produce fault-signal；The output end of first matrix device 2 is set with direct fault location
Standby 1 input is connected；The output end of Fault Insertion Equipment 1 is connected with the input of the second matrix device 3；Single-pole double-throw switch (SPDT)
41 correspond with each paths of actual signal in tested loop and set, the input of single-pole double-throw switch (SPDT) 41 and passage
Signal comes section and is connected, and the first output end of single-pole double-throw switch (SPDT) 41 is connected with the input of the first matrix device 2, single-pole double throw
Second output end of switch 41 and the output end of the second matrix device 3 go to section to be connected with the signal of passage.
As shown in figure 3, the M roads (M is the overall channel quantity of actual signal) in the tested loop by device A to equipment B are logical
In road, each paths are provided with single-pole double-throw switch (SPDT) 41, and the input of single-pole double-throw switch (SPDT) 41 comes positioned at the signal of passage
Section (i.e. device A side), the second output end of single-pole double-throw switch (SPDT) 41 removes section (i.e. equipment B mono- positioned at the signal of passage
Side), and the first output end of single-pole double-throw switch (SPDT) 41 is connected by the first matrix device 2 with the input of Fault Insertion Equipment 1,
The output end of Fault Insertion Equipment 1 goes to section (i.e. equipment B sides) to be connected by the second matrix device 3 and the signal of passage again.
It should be noted that " matrix device " refers to the equipment for realizing Inverse problem.The output of first matrix device 2
The quantity of the input channel of the quantity of passage and the second matrix device 3 is identical with the number of channels of Fault Insertion Equipment 1, such as schemes
Shown in 3, Fault Insertion Equipment 1 includes N paths, therefore, the output channel of the first matrix device 2 and the second matrix device 3
Input channel is also N roads.Moreover, the output of the quantity of the input channel of the first matrix device 2 and the second matrix device 3 is led to
The quantity in road is identical with the overall channel quantity of actual signal.
During specific works, in order to create test configuration, only it need to will need to inject the hilted broadsword corresponding to the passage of fault-signal
Commutator 41 gets to the first output end, and the passage that Fault Insertion Equipment 1 just so is connected into actual signal is suffered, so that real
The access of existing fault-signal.As can be seen here, the signal access device that the utility model is provided creates different once installation follow-up
Experiment configuration when eliminate and frequently tear open, connect the trouble of short-circuiting cable, it is thus possible to greatly reduce workload, improve experiment structure
The establishment efficiency of type.
For the ease of automatically controlling, in the present embodiment, single-pole double-throw switch (SPDT) 41 uses program-controlled relay switch, and sets
Grammed switch equipment 4 is controlled to single-pole double-throw switch (SPDT) 41.As described in Figure 3, grammed switch equipment 4 is also logical including being arranged on
The signal in road removes the either-or switch 42 in section, the first input end of either-or switch 42 and the second of single-pole double-throw switch (SPDT) 41 defeated
Go out end to be connected, the second input of either-or switch 42 is connected with the output end of the second matrix device 3.
The utility model also provides a kind of direct fault location test system, and the direct fault location test system includes above-described embodiment
Disclosed signal access device.Because signal access device has above-mentioned technique effect disclosed in above-described embodiment, therefore have
The direct fault location test system of the signal access device equally has above-mentioned technique effect, repeats no more herein.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to embodiment will be apparent for those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Therefore, originally
Utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and principles disclosed herein and features of novelty
Consistent most wide scope.
Claims (5)
1. a kind of signal access device for direct fault location, it is characterised in that including：
Fault Insertion Equipment (1), for producing fault-signal；
The first matrix device (2) that its output end is connected with the input of the Fault Insertion Equipment (1)；
The second matrix device (3) that its input is connected with the output end of the Fault Insertion Equipment (1)；
The single-pole double-throw switch (SPDT) (41) set is corresponded with each paths of actual signal in tested loop, the hilted broadsword is double
First output end of throw switch (41) is connected with the input of first matrix device (2), the single-pole double-throw switch (SPDT) (41)
Input come section with the signal of the passage and be connected, the second output end and described second of the single-pole double-throw switch (SPDT) (41)
Signal of the output end of matrix device (3) with the passage goes to section to be connected.
2. signal access device according to claim 1, it is characterised in that the single-pole double-throw switch (SPDT) (41) uses can journey
Controlled relay switch.
3. signal access device according to claim 2, it is characterised in that including for controlling the single-pole double-throw switch (SPDT)
(41) grammed switch equipment (4).
4. signal access device according to claim 3, it is characterised in that the grammed switch equipment (4) includes setting
The either-or switch (42) in section, first input end and the list of the either-or switch (42) are removed in the signal of the passage
Second output end of double-pole double throw switch (41) is connected, and the second input and second matrix of the either-or switch (42) are set
The output end of standby (3) is connected.
5. a kind of direct fault location test system, it is characterised in that including the signal access device for direct fault location, the signal
Access device is the signal access device as described in any one in Claims 1 to 4.
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| CN201720280079.7U CN206557315U (en) | 2017-03-21 | 2017-03-21 | A kind of signal access device for direct fault location, direct fault location test system |
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| CN201720280079.7U CN206557315U (en) | 2017-03-21 | 2017-03-21 | A kind of signal access device for direct fault location, direct fault location test system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196533A (en) * | 2018-03-28 | 2018-06-22 | 中汽研（天津）汽车工程研究院有限公司 | A kind of intelligent termination of channel reusable and integrated direct fault location function |
| CN108362956A (en) * | 2017-11-30 | 2018-08-03 | 中国航空综合技术研究所 | Multiple-pole switch cascading failure fill adapter for the experiment of electronic product testability |
| CN110289873A (en) * | 2019-05-29 | 2019-09-27 | 陕西飞机工业（集团）有限公司 | A kind of airborne radome electric performance test full frequency band microwave converting system |
| CN110658000A (en) * | 2019-10-15 | 2020-01-07 | 北京经纬恒润科技有限公司 | Recovery method and device for real vehicle fault injection test |
-
2017
- 2017-03-21 CN CN201720280079.7U patent/CN206557315U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362956A (en) * | 2017-11-30 | 2018-08-03 | 中国航空综合技术研究所 | Multiple-pole switch cascading failure fill adapter for the experiment of electronic product testability |
| CN108196533A (en) * | 2018-03-28 | 2018-06-22 | 中汽研（天津）汽车工程研究院有限公司 | A kind of intelligent termination of channel reusable and integrated direct fault location function |
| CN110289873A (en) * | 2019-05-29 | 2019-09-27 | 陕西飞机工业（集团）有限公司 | A kind of airborne radome electric performance test full frequency band microwave converting system |
| CN110289873B (en) * | 2019-05-29 | 2021-09-14 | 陕西飞机工业（集团）有限公司 | Full-frequency-band microwave conversion system for testing electrical performance of airborne radome |
| CN110658000A (en) * | 2019-10-15 | 2020-01-07 | 北京经纬恒润科技有限公司 | Recovery method and device for real vehicle fault injection test |
| CN110658000B (en) * | 2019-10-15 | 2021-09-21 | 北京经纬恒润科技股份有限公司 | Recovery method and device for real vehicle fault injection test |
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