CN107091947A - Automotive wire bundle current testing device - Google Patents
Automotive wire bundle current testing device Download PDFInfo
- Publication number
- CN107091947A CN107091947A CN201710278448.3A CN201710278448A CN107091947A CN 107091947 A CN107091947 A CN 107091947A CN 201710278448 A CN201710278448 A CN 201710278448A CN 107091947 A CN107091947 A CN 107091947A
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- China
- Prior art keywords
- waveform
- current
- current waveform
- testing device
- insurance
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0007—Frequency selective voltage or current level measuring
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses automotive wire bundle current testing device, oscillograph is made full use of to gather the function of waveform, the current waveform of electronic load and dc source simulation output car electrics, the required complicated electric circumstance of average policy reliability are controlled by waveform output control module.Solve must car electrics can just send the limitation of current waveform, overall wire sheaves product can individually carry out safety reliability test and insurance Choosing Type Analysis.In addition, the device can simulate a variety of electric current waveforms, and it is lower than vehicle electrical equipment generation current waveform cost, realize that condition is simple, test accuracy is high, effectively improves the efficiency and accuracy of test.
Description
Technical field
The present invention relates to electric current test technology field, specifically related to automotive wire bundle current testing device.
Background technology
The part electrical parameter that existing automobile electric appliance system is included in multiple systems, system is different, and electrical equipment environment is complicated.
And the insurance of protection circuit is exactly under this complex environment, once fuse melting, electrical function will fail.Therefore circuit design
It is critically important, necessary checking and analysis must be carried out to the type selecting of insurance in design.
The type selecting of insurance is mainly assessed by two methods in the automobile industry of prior art：
Theory analysis：Equipment is adopted by oscillograph or number and tests electric current waveform, passes through electrical equipment waveform and insurance characteristic curve
Carry out theory analysis；The actual waveform that the method is unable to simulated failure vehicle is made a concrete analysis of, and causes the efficiency of problem analysis
Not high, accuracy has deviation.
Test checking：The fusing time of constant current value checking insurance is exported by dc source.
Also have the accidental environmental factor of vehicle in addition, such as and some electrical equipment of vehicle are few due to the work frequency, it is impossible to support multiple
Waveform is persistently output on wire harness；Electrical equipment, which repeatedly starts, simultaneously can cause electric property aging, output waveform decay, influence test
Accuracy.Therefore both the above method fails directly insure the electric current waveform binding test with reality, and accuracy is not high.
Summary reason, both the above method fails directly insure the electric current waveform binding test with reality,
Accuracy is not high, it is therefore desirable to a kind of device and method that can be verified in the enterprising line beam insurance of vehicle.
The content of the invention
To solve the problem, the automobile specified current control device of invention, simulation output electrical equipment current waveform is defeated
Enter the wire harness onto stand with regard to that can be tested.The electric current waveform of device output is insured by wire harness, simulates insurance
Electric circumstance on vehicle, insures the impact by multiple current waveform, it may be verified that whether insurance type selecting is reasonable.
Automotive wire bundle current testing device disclosed by the invention, including, oscillograph, control system, dc source, Electronic Negative
Carry and the wire harness loop with insurance；Control system includes waveform conversion module and waveform output control module；
The oscillograph is used to gather the current waveform under the different operating mode of car electrics by its current probe, and by current waveform
It is transferred to control system；
Waveform is converted into the current values at the corresponding time point under different operating modes by the waveform conversion module, and saves as difference
The corresponding electric current file of operating mode；
Waveform output control module parses corresponding current waveform according to selected electric current file, and drive dc source 3 and
Electronic load exports identical loading current waveform, by the current waveform output into the wire harness loop with insurance.
Further, waveform output control module receives the secondary numerical value that the current waveform of outside typing need to be exported, circulation control
Current waveform output processed is into the wire harness loop with insurance.
Further, the electric current file be CVS files, comprising one group in the current wave form cycle under certain operating mode from
Dissipate current sampling data and wave period sampled point time interval；The wave period sampled point time interval=wave period time/
Collection points.
Also disclose automotive wire bundle current testing device, including, oscillograph, control system, dc source, electronic load and
Wire harness loop with insurance；
The oscillograph is used to gather the current waveform under the different operating mode of car electrics by its current probe, and by current waveform
It is transferred to control system；
Control system includes waveform conversion module and waveform output control module；
Current waveform is converted into the current values at the corresponding time point under different operating modes by the waveform conversion module, and saves as
The corresponding electric current file of different operating modes；
The waveform output control module is according to selected electric current file and the wave period sampled point time of outside input
Interval, parses corresponding current waveform, and drives dc source defeated and electronic load output identical loading current waveform, by this
Current waveform output is into the wire harness loop with insurance.
Further, the waveform output control module receives the secondary numerical value that the current waveform of outside typing need to be exported, and follows
Ring control electric current waveform is output in the wire harness loop with insurance.
Further, the electric current file be CVS files, comprising one group in the current wave form cycle under certain operating mode from
Dissipate current sampling data.
Further, wave period sampled point time interval=wave period time/collection points.
The beneficial effects of the invention are as follows：Make full use of oscillograph to gather the function of waveform, pass through waveform output control module
Control the current waveform of electronic load and dc source simulation output car electrics, average policy reliability it is required complicated
Electric circumstance.Solve must car electrics can just send the limitation of current waveform, overall wire sheaves product can be carried out individually
Safety reliability is tested and insurance Choosing Type Analysis.
Current wave form cycle under different operating modes is gathered and saves as the file on waveform conversion module in batches, is realized
The convenient storage of current waveform information under multi-state；When needing simulation test automotive wire bundle and insurance, exported and controlled by waveform
The corresponding file of module calls response test operating mode processed, it is possible to achieve vehicle electric current Work condition analogue, facilitates linear speed loop and guarantor
The test of danger.
The device can simulate a variety of electric current waveforms, lower than vehicle electrical equipment generation current waveform cost, realize condition
Simply, test accuracy is high, effectively improves the efficiency and accuracy of test.
Brief description of the drawings
Fig. 1 automotive wire bundle current testing device structure charts.
Embodiment
Below with reference to accompanying drawing, the present invention will be described in detail.
As shown in figure 1, automotive wire bundle current testing device, including：Oscillograph 1, control system 2, dc source 3, electronics
Load 4 and the wire harness loop 8 with insurance；Control system 2 includes waveform conversion module 5 and waveform output control module 6；
Waveform Input/transformation stage：
Oscillograph 1 is used to gather the current waveform under the different operating modes of car electrics 7 by its current probe, and current waveform includes electricity
The parameter informations such as flow valuve, time cycle；
Current waveform is transferred to the waveform conversion module 5 of control system by oscillograph 1；Waveform is converted into by waveform conversion module 5
The current values at the corresponding time point of wave period under different operating modes, and save as the corresponding electric current file of different operating modes, this electricity
Stream file format can be CVS forms, comprising one group of stray currents sampled value in the current wave form cycle under certain operating mode and/
Or wave period sampled point time interval.
The waveform output control stage：
Control system for being unable to automatic decision waveform sampling point time interval, waveform output control module is according to selected
The wave period sampled point time interval of electric current file and outside input（Wave period sampled point time interval=wave period
Time/collection points）, corresponding current waveform is parsed, and drive dc source 3 and electronic load to export identical loading current
Waveform, by the current waveform output into the wire harness loop 8 with insurance.
Control system for wave period sampled point time interval can be read directly from electric current file, waveform output
Control module parses corresponding current waveform, and drive dc source 3 and electronic load 4 defeated according to selected electric current file
Go out identical loading current waveform, by the current waveform output into the wire harness loop 8 with insurance.
Dc source 3 is powered according to the requirement electron of waveform output control module 6 load 4, and electronic load 4 is according to ripple
The requirement output of shape output control module adjustment resistance value, the current waveform of the output continuous service in circuits below in real time：Electricity
The stream process positive pole of dc source 3 flows to electronic load 4 and returns the negative pole of dc source 3 by automotive wire bundle 8.The electricity so simulated
Device current waveform is loaded with the insurance in automotive wire bundle 8, is impacted by multiple current waveform, checking automotive wire bundle 8
Whether that insures is reliable.
The present apparatus can set waveform frequency according to demand on waveform output control module, realize the weight of current waveform
Multiple output.Tester can be carried in the insurance of overall wire sheaves using the multiple current waveform of this simulation, checking insurance
The correctness of type selecting and the reliability of circuit.
Meanwhile, can also be by changing CVS numerical value in waveform output control module, so as to realize that output current wave is adjusted on demand
It is whole.
The electric current waveform of this automotive wire bundle current testing device output is insured by wire harness, simulates insurance in vehicle
On electric circumstance, insurance passes through the impact of multiple current waveform, it may be verified that whether reasonable insure type selecting.
Claims (7)
1. automotive wire bundle current testing device, it is characterised in that：Including oscillograph（1）, control system（2）, dc source（3）、
Electronic load（4）And the wire harness loop with insurance（8）；Control system（2）Including waveform conversion module（5）And waveform output control
Module（6）；
The oscillograph is used to gather car electrics by its current probe（7）Current waveform under different operating modes, and by electric current
Waveform is transferred to control system；
The waveform conversion module（5）The current values at corresponding time point waveform being converted under different operating modes, and save as
The corresponding electric current file of different operating modes；
Waveform output control module（6）According to selected electric current file, corresponding current waveform is parsed, and drive dc source
（3）And electronic load（4）Identical loading current waveform is exported, by the current waveform output to the wire harness loop with insurance（8）
In.
2. automotive wire bundle current testing device as claimed in claim 1, it is characterised in that：Waveform output control module receives outer
The secondary numerical value that the current waveform of portion's typing need to be exported, loop control current waveform output to the wire harness loop with insurance（8）In.
3. automotive wire bundle current testing device as claimed in claim 2, it is characterised in that：The electric current file is CVS files,
Include the one group of stray currents sampled value and wave period sampled point time interval in the current wave form cycle under certain operating mode；Institute
State wave period sampled point time interval=wave period time/collection points.
4. automotive wire bundle current testing device, it is characterised in that：Including oscillograph（1）, control system（2）, dc source（3）、
Electronic load（4）And the wire harness loop with insurance（8）；
The oscillograph（1）For gathering car electrics by its current probe（7）Current waveform under different operating modes, and by electricity
Stream waveform is transferred to control system（2）；
Control system includes waveform conversion module（5）And waveform output control module（6）；
Current waveform is converted into the current values at the corresponding time point under different operating modes by the waveform conversion module, and saves as
The corresponding electric current file of different operating modes；
The waveform output control module is according to selected electric current file and the wave period sampled point time of outside input
Interval, parses corresponding current waveform, and drives dc source defeated and electronic load output identical loading current waveform, by this
Current waveform output is to the wire harness loop insured（8）In.
5. automotive wire bundle current testing device as claimed in claim 4, it is characterised in that：The waveform output control module
（6）The secondary numerical value that the current waveform of outside typing need to be exported is received, loop control current waveform output is returned to the wire harness with insurance
Lu Zhong.
6. automotive wire bundle current testing device as claimed in claim 5, it is characterised in that：The electric current file is CVS files,
Include one group of stray currents sampled value in the current wave form cycle under certain operating mode.
7. automotive wire bundle current testing device as claimed in claim 6, it is characterised in that：Wave period sampled point time interval
=wave period the time/collection points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278448.3A CN107091947A (en) | 2017-04-25 | 2017-04-25 | Automotive wire bundle current testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278448.3A CN107091947A (en) | 2017-04-25 | 2017-04-25 | Automotive wire bundle current testing device |
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| Publication Number | Publication Date |
|---|---|
| CN107091947A true CN107091947A (en) | 2017-08-25 |
Family
ID=59637020
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710278448.3A Pending CN107091947A (en) | 2017-04-25 | 2017-04-25 | Automotive wire bundle current testing device |
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| CN (1) | CN107091947A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113086A (en) * | 2022-05-18 | 2022-09-27 | 中国第一汽车股份有限公司 | Vehicle power distribution test system and method based on vaHil environment simulation |
| CN115359748A (en) * | 2022-10-20 | 2022-11-18 | 武汉海微科技有限公司 | Huang Bing detection circuit and Huang Bing detection method |
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| US6833713B2 (en) * | 2003-01-31 | 2004-12-21 | Delphi Technologies, Inc. | Smart wire harness for an electrical circuit |
| CN101464486A (en) * | 2009-01-15 | 2009-06-24 | 合肥工业大学 | Method of testing vehicle electric appliance system reliability |
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| WO2016088788A1 (en) * | 2014-12-03 | 2016-06-09 | 株式会社オートネットワーク技術研究所 | Wire harness and power supply device for automobile |
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-
2017
- 2017-04-25 CN CN201710278448.3A patent/CN107091947A/en active Pending
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| US20010013725A1 (en) * | 2000-02-14 | 2001-08-16 | Yazaki Corporation | On-vehicle wiring harness and weight reduction method of the same |
| US6833713B2 (en) * | 2003-01-31 | 2004-12-21 | Delphi Technologies, Inc. | Smart wire harness for an electrical circuit |
| CN101464486A (en) * | 2009-01-15 | 2009-06-24 | 合肥工业大学 | Method of testing vehicle electric appliance system reliability |
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| WO2016088788A1 (en) * | 2014-12-03 | 2016-06-09 | 株式会社オートネットワーク技術研究所 | Wire harness and power supply device for automobile |
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| CN205581246U (en) * | 2016-04-13 | 2016-09-14 | 贵州天义电器有限责任公司 | Pencil detection loop |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113086A (en) * | 2022-05-18 | 2022-09-27 | 中国第一汽车股份有限公司 | Vehicle power distribution test system and method based on vaHil environment simulation |
| CN115359748A (en) * | 2022-10-20 | 2022-11-18 | 武汉海微科技有限公司 | Huang Bing detection circuit and Huang Bing detection method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |
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| RJ01 | Rejection of invention patent application after publication |