CN206657059U - Automotive electronics microinterrupt test system - Google Patents
Automotive electronics microinterrupt test system Download PDFInfo
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- CN206657059U CN206657059U CN201720199676.7U CN201720199676U CN206657059U CN 206657059 U CN206657059 U CN 206657059U CN 201720199676 U CN201720199676 U CN 201720199676U CN 206657059 U CN206657059 U CN 206657059U
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- automotive electronics
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Abstract
A kind of automotive electronics microinterrupt test system is the utility model is related to, including controller, coupling network, switching switch, any ripple editing machine and display device, the output end of the controller are connected by the negative pole of the coupling network and measured device;The output end of the controller is also connected through any ripple editing machine, coupling network and the switching switch with the positive pole of the measured device successively;The display device is connected with the measured device.The utility model can meet power end and the class interrupt test requirement of signal end two using coupling network, and make-and-break time is minimum up to millisecond rank, maximum up to 10A ranks for interrupt circuit electric current, and the test laws and regulations requirement of compatible different auto vendors.
Description
Technical field
Emc testing field is the utility model is related to, more particularly to a kind of automotive electronics microinterrupt test system.
Background technology
More and more in automobile to have used electronic unit with development in science and technology, control, communication between each part continue to develop
And fusion so that automobile is also more and more intelligent, networking, but the application with increasing automotive electronics on automobile,
The electronic interferences of electric room are also more and more, increasingly severe, so as to trigger component capabilities to reduce, afunction even prestige
Coerce traffic safety.Therefore also more and more higher is required to the emc testing of automotive electronics part.
Electro Magnetic Compatibility (EMC, English full name:Electro Magnetic Compatibility) refer to electrical equipment or be
During system operation, the ability of interference or resistance electromagnetic environment interference is not produced to the electromagnetic environment residing for it.It is main in test process
The following two aspect real vehicle situations of simulation are anti-interference:Situation 1:In-car spare part power connector loose contact operating mode;Situation 2:Car
Interior electrical system, power connector loose contact operating mode.This interrupts (loose contact) phenomenon, bright in EEC instructs 95/94/EC
It is it is determined that adopted:Vehicle or parts or separate technical can satisfactorily work in its electromagnetic environment, and not to the environment
Middle anything causes the ability of unnecessary electromagnetic disturbance.
The microinterrupt test system of automotive electronics, short interruptions phenomenon caused by simulating vehicle internal electric equipment use
Interference to other electronic units is increasingly taken seriously, and therefore, how to be provided a set of multiple functional, is used simple automotive electronics
Microinterrupt test system is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The utility model provides a kind of automotive electronics microinterrupt test system, to solve above-mentioned technical problem.
In order to solve the above technical problems, the utility model provides a kind of automotive electronics microinterrupt test system, including control
Device, coupling network, switching switch, any ripple editing machine and display device, the output end of the controller pass through the coupling
The negative pole of network and measured device connects;The output end of the controller is also successively through any ripple editing machine, coupling network
And switching switch is connected with the positive pole of the measured device;The display device is connected with the measured device.
It is preferred that also include automobile power source simulator, the automobile power source simulator be respectively any ripple editing machine,
Switching switch and coupling network provide power supply.
It is preferred that it is that bi-directional data passes between the coupling network, any ripple editing machine and automobile power source simulator
It is defeated.
It is preferred that the display device is oscillograph, the oscillograph is connected by popping one's head in the measured device.
It is preferred that the oscillograph is connected with the input of the controller.
It is preferred that waveform caused by any ripple editing machine, its rise time and fall time are respectively less than the break period
1/10.
It is preferred that waveform caused by any ripple editing machine, its recovery time are more than 10s.
Compared with prior art, automotive electronics microinterrupt test system provided by the utility model, including controller, coupling
Network, switching switch, any ripple editing machine and display device, the output end of the controller pass through the coupling network and quilt
Survey the negative pole connection of device;The output end of the controller is also successively through any ripple editing machine, coupling network and the switching
Switch is connected with the positive pole of the measured device;The display device is connected with the measured device.The utility model can profit
Meet power end and the class interrupt test requirement of signal end two with coupling network, make-and-break time is minimum up to millisecond rank, in
The maximum reachable 10A ranks of deenergizing electric current, and the test laws and regulations requirement of compatible different auto vendors.
Brief description of the drawings
Fig. 1 is the general principle figure of automotive electronics microinterrupt test system in the embodiment of the utility model one;
Fig. 2 is the waveform requirements index of automotive electronics microinterrupt test system in the embodiment of the utility model one
Figure;
Fig. 3 is the structural representation of automotive electronics microinterrupt test system in the embodiment of the utility model one.
In figure:10- controllers, 20- coupling networks, 30- switching switch, any ripple editing machines of 40-, 50- display devices,
51- probes, 60- measured devices, 70- automobile power source simulators.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The embodiment of utility model is described in detail.It should be noted that the utility model accompanying drawing is using simplified form
And non-accurately ratio is used, only to purpose that is convenient, lucidly aiding in illustrating the utility model embodiment.
Automotive electronics microinterrupt test system provided by the utility model, its general principle is as shown in figure 1, switch S1 is realized
The microinterrupt of measured device 60, switch S2 control interrupt status, the automotive electronics microinterrupt test system that the application provides are split
The waveform state for closing S1 is simulated, and then controls measured device 60 to realize microinterrupt.Specifically, the automotive electronics microinterrupt
The structure of test system as shown in figure 3, including controller 10, coupling network 20, switching switch 30, any ripple editing machine 40 and
Display device 50, the output end of the controller 10 are connected by the coupling network 20 with the negative pole of measured device 60;It is described
The output end of controller 10 is also tested through any ripple editing machine 40, coupling network 20 and the switching switch 30 with described successively
The positive pole connection of device 60;The display device 50 is connected with the measured device 60, to show that the waveform of measured device 60 becomes
Change situation.The utility model can meet power end and the class interrupt test requirement of signal end two using coupling network 20, during break-make
Between it is minimum up to millisecond rank, it is maximum up to 10A ranks for interrupt circuit electric current, and the method for testing of compatible different auto vendors
Rule require.By this set system, real vehicle situation is simulated to greatest extent, lifts vehicle safety riding quality and life-span.
It is preferred that please continue to refer to Fig. 3, in addition to automobile power source simulator 70, the automobile power source simulator 70 is distinguished
Power supply is provided for any ripple editing machine 40, switching switch 30 and the coupling network 20;Meanwhile the coupling network 20, appoint
It is bidirectional data transfers to anticipate between ripple editing machine 40 and automobile power source simulator 70.
It is preferred that the display device 50 is oscillograph, the oscillograph passes through probe 51 and the phase of measured device 60
Even, specifically, the oscillograph is connected with the input of the controller 10, then the data of oscillograph can deposit in the controller
Storage, is easy to subsequent query.
It is preferred that emphasis is asked with reference to figure 2, and waveform caused by any ripple editing machine 40, its rise time trAnd decline
Time tfRespectively less than break period t11/10, realization is switched fast, and its switch speed is up to 1 μ s;Its recovery time t2It is more than
10s, it is ensured that in test process, can recover to normal condition after each switching of measured device 60.
In summary, automotive electronics microinterrupt test system provided by the utility model, including controller 10, coupling network
20th, switching switch 30, any ripple editing machine 40 and display device 50, the output end of the controller 10 pass through the catenet
Network 20 is connected with the negative pole of measured device 60;The output end of the controller 10 is also successively through any ripple editing machine 40, coupling
Close network 20 and switching switch 30 is connected with the positive pole of the measured device 60;The display device 50 and the measured device
60 are connected.The utility model can meet power end and the class interrupt test requirement of signal end two using coupling network 20, during break-make
Between it is minimum up to millisecond rank, it is maximum up to 10A ranks for interrupt circuit electric current, and the method for testing of compatible different auto vendors
Rule require.
Obviously, it is new without departing from this practicality can to carry out various changes and modification to utility model by those skilled in the art
The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.
Claims (7)
1. a kind of automotive electronics microinterrupt test system, it is characterised in that switched, arbitrarily including controller, coupling network, switching
Ripple editing machine and display device, the output end of the controller are connected by the negative pole of the coupling network and measured device;
The output end of the controller is also successively through any ripple editing machine, coupling network and the switching switch and the measured device
Positive pole connection;The display device is connected with the measured device.
2. automotive electronics microinterrupt test system as claimed in claim 1, it is characterised in that also simulated including automobile power source
Device, the automobile power source simulator are respectively that any ripple editing machine, switching switch and the coupling network provide power supply.
3. automotive electronics microinterrupt test system as claimed in claim 2, it is characterised in that the coupling network, any ripple
It is bidirectional data transfers between editing machine and automobile power source simulator.
4. automotive electronics microinterrupt test system as claimed in claim 1, it is characterised in that the display device is oscillography
Device, the oscillograph are connected by popping one's head in the measured device.
5. automotive electronics microinterrupt test system as claimed in claim 4, it is characterised in that the oscillograph and the control
The input of device is connected.
6. automotive electronics microinterrupt test system as claimed in claim 1, it is characterised in that any ripple editing machine produces
Waveform, its rise time and fall time is respectively less than the 1/10 of the break period.
7. automotive electronics microinterrupt test system as claimed in claim 6, it is characterised in that any ripple editing machine produces
Waveform, its recovery time is more than 10s.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720199676.7U CN206657059U (en) | 2017-03-02 | 2017-03-02 | Automotive electronics microinterrupt test system |
Applications Claiming Priority (1)
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CN201720199676.7U CN206657059U (en) | 2017-03-02 | 2017-03-02 | Automotive electronics microinterrupt test system |
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CN206657059U true CN206657059U (en) | 2017-11-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110146755A (en) * | 2019-05-16 | 2019-08-20 | 德凯认证服务(苏州)有限公司 | A kind of automotive electronics electric performance test circuit system |
-
2017
- 2017-03-02 CN CN201720199676.7U patent/CN206657059U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110146755A (en) * | 2019-05-16 | 2019-08-20 | 德凯认证服务(苏州)有限公司 | A kind of automotive electronics electric performance test circuit system |
CN110146755B (en) * | 2019-05-16 | 2022-03-18 | 德凯认证服务(苏州)有限公司 | Electronic and electrical performance test circuit system for automobile |
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