CN103592543B - A kind of automotive electronics electrical equipment transient state conducted emission test device - Google Patents
A kind of automotive electronics electrical equipment transient state conducted emission test device Download PDFInfo
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- CN103592543B CN103592543B CN201310585752.4A CN201310585752A CN103592543B CN 103592543 B CN103592543 B CN 103592543B CN 201310585752 A CN201310585752 A CN 201310585752A CN 103592543 B CN103592543 B CN 103592543B
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Abstract
The invention provides a kind of automotive electronics electrical equipment transient state conducted emission test device, belong to automobile technical field.Endeavor is less efficient when it solves the transient state conducted emission test fee of electronic electric equipment in the prior art, and error rate problem higher.The present apparatus includes controller, power supply, switches set one and voltage probe, the input of switches set one connects one end of power supply, the output end and power supply of connecting valve group one are used to connect the one end for being test for electronic electric equipment the input of voltage probe respectively, the output end of voltage probe connects the input of controller, the control end of switches set one connects the output end of controller, the input of controller is also associated with operation interface, and controller output end is also associated with display screen.The present apparatus can automatically test the voltage transient transmitted value for the electronic electric equipment on automobile so as to obtain whether its Electromagnetic Launching meets the requirements, and present apparatus high working efficiency, error rate are low.
Description
Technical field
The invention belongs to automobile technical field, it is related to a kind of automotive electronics electrical equipment transient state conducted emission test device.
Background technology
Nowadays the quantity of electronic electric equipment is more and more on vehicle, therefore electromagnetic environment residing for vehicle is also increasingly multiple
It is miscellaneous.If the Electromagnetic Launching to the electronic electric equipment on car is not limited, it is likely that appear in certain in vehicle travel process
The a certain disabler of one electronic electric equipment, is likely to occur security incident when serious.Only when the electronic electric equipment on car
Electromagnetic Launching be limited in certain limit, it is comparatively safe that other electronic electric equipments on car can just be in an electromagnetism
In working environment.So carry out that transient state conducted emission test has very much to the electronic electric equipment on car before vehicle listing must
Will.Transient state conducted emission refers to be devices under being switched on or switched off moment, by the glitch signal produced by power line.
Transient state conducted emission test to electronic electric equipment on vehicle at present typically all first sets electric setting
Standby switch on and off situation, it is then manually recorded electric in the moment of switch on and off using oscillograph or waveform acquisition equipment
The voltage transient transmitted value of equipment, finally by artificial judgment, whether the voltage transient transmitted value meets standard requirement again.Voltage
Transient state transmitted value meet standard can just turn down electronic electric equipment generation electromagnetism meet standard, otherwise then electromagnetism does not meet mark
It is accurate.Although the method for testing meets standard requirement, but wastes time and energy, and operating efficiency is relatively low, and error rate is higher.
The equipment of the testing automobile electromagnetic sensitivity of Patent No. 200610157189.0 disclosed in Chinese patent literature and
Method, for Bulk current injection, including：Power supply, artificial mains network, injection probe, current detecting probe, control are single
The units such as unit, interface card, signal generator, power amplifier, the first power cell；For free field test, including：Power supply,
Artificial mains network, radio-frequency transmissions antenna, field intensity probe, control unit, interface card, signal generator, power amplifier and field
The units such as strong monitor.The patent can detect the resistance electromagnetic interference capability of electronic electric equipment, but can not test electronics
Whether electrical equipment Electromagnetic Launching in itself meets standard requirement, and although the method for testing of prior art meets test request, but
It is to waste time and energy, operating efficiency is relatively low, and error rate is higher.
The content of the invention
The present invention is directed to existing problem, it is proposed that a kind of automotive electronics electrical equipment transient state conducted emission test device,
The present apparatus can automatically test the voltage transient transmitted value for the electronic electric equipment on automobile so as to obtain its Electromagnetic Launching
Whether meet the requirements, present apparatus high working efficiency, error rate are low.
The present invention is realized by following technical proposal：A kind of automotive electronics electrical equipment transient state conducted emission test dress
Put, it is characterised in that the present apparatus includes controller, for being test for power supply that electronic electric equipment powers, for break-make
It is test for the switches set one of electronic electric equipment and is test for voltage transient hair after electronic electric equipment is powered for gathering
The voltage probe of value is penetrated, the input of the switches set one connects one end of power supply, and the output end of switches set one is used to connect quilt
The electronic electric equipment of test, the other end of power supply is test for electronic electric equipment for connection, the voltage probe it is defeated
The output end and power supply of connecting valve group one are used to connect the one end for being test for electronic electric equipment, the voltage respectively to enter end
The output end of probe connects the input of controller, and the control end of the switches set one connects the output end of controller, the control
The input of device processed is also associated with operation interface, and the controller output end is also associated with display screen, and the controller receives behaviour
The higher limit setting signal treatment for making the voltage transient transmitted value at interface obtains the higher limit of voltage transient transmitted value, the control
Device receives the make-and-break time and frequency of the control signal controlling switch group one of switches set one that operation interface sends, and controller control is opened
When Guan Zuyi is connected, the voltage transient transmitted value of controller receiving voltage probe transmission simultaneously compares, controller with current upper bound value
Control display screen shows comparative result and current voltage transient state transmitted value.
The both positive and negative polarity difference connecting valve group one and power supply of electronic electric equipment will be test for, operating personnel can lead to
Cross the higher limit of the voltage transient transmitted value of the electronic electric equipment of operation interface setting current tested, and switches set one
Make-and-break time and frequency.If timing controller receives the signal that operation interface sends, treatment obtains current voltage transient state transmitted value
Higher limit and switches set one make-and-break time and frequency.Controller sends control signal controlling switch group one and performs operation circle
Make-and-break time and frequency that face sends, when controller controlling switch group one is connected being test for electronic electric equipment obtains electric, electric
Pressure probe collection is test for the voltage instantaneous transmitted value of electronic electric equipment and is sent to controller.Controller receiving voltage is visited
Voltage transient transmitted value that hair send simultaneously compares with current upper bound value, controller control display screen display comparative result and current
Voltage transient transmitted value.Frequency break-make of the controller controlling switch group one to set, after each switches set one is connected, controller is all
The voltage transient transmitted value of meeting receiving voltage probe transmission simultaneously compares with current upper bound value, while controller control display screen is distinguished
Comparative result and current voltage transient state transmitted value after each connection of display.Current voltage transient state transmitted value is in the form of waveform
Display.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the present apparatus also includes being used for break-make quilt
The switches set two of the electronic electric equipment of test, the output end of the input connecting valve group one of the switches set two is described to open
The output end of pass group two is test for electronic electric equipment for connection, the voltage probe input difference connecting valve group two
Output end and power supply are used to connect the one end for being test for electronic electric equipment, the control end connection controller of the switches set two
Output end, when electronic electric equipment is test for close to controlling switch itself, the operation interface sends control letter during test
Number remained up to controller controlling switch group one and controlling switch group two make-and-break time and frequency；It is electric when electronics is test for
Away from controlling switch itself, the operation interface sends control signal and is kept gas equipment to controller controlling switch group two during test
Connection and the make-and-break time and frequency of controlling switch group one.When being test for electronic electric equipment and onboard using, from itself
Switch has dividing for distance, and the reality being test for when electronic electric equipment is onboard set is simulated by setting two groups of switches
Operating mode, selects switches set two when near, switches set one is selected when remote, is thus that test data has more accuracy.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the switches set one and switches set two
Between be connected with for replace vehicle harness characteristic artificial mains network, the artificial mains network input connection power supply
One end of electronic electric equipment is test for for connecting, described artificial mains network's output end is test for electricity for connection
Sub- electrical equipment.Electronic electric equipment on vehicle sets that wire harness is more complicated, is test for electronic electric equipment onboard
It is set using, typically there can be connection with other electronic electric equipments, setting artificial mains network's simulation is test for electric
The real working condition of equipment.Artificial mains network replaces being test for impedance of the electronic electric equipment onboard after real work.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the artificial mains network includes electricity
Sense L, electric capacity C, resistance R and resistance Rs, the inductance L two ends connection difference connecting valve group one and switches set two, the resistance
Between one end connection inductance L and switches set one of Rs, the other end connects power supply and is test for electric setting for connection respectively
Standby one end and one end of resistance R, other end connection electric capacity C one end of resistance R, the other end connection inductance L and the switch of electric capacity C
Between group two, one end of the resistance R connection resistance Rs is test for electronic electric equipment, the electricity instead of power supply for connection
The output end of connecting valve group two and resistance R are test for the one of electronic electric equipment to pressure probe input for connecting respectively
End.Inductance L, electric capacity C, resistance R and resistance Rs contribute to simulate the resistance being test for when electronic electric equipment is onboard set
Anti-, reduction to a certain extent is test for the real operating mode that electronic electric equipment onboard works.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the switches set one includes relay
The two ends of one and electronic switch K3, the normal open switch K1 of the relay one connect power supply and inductance L respectively, the relay
Coil Km1 and electronic switch K3 connect the normal open switch of the output end of controller, the electronic switch K3 and relay one respectively
K1 is in parallel.Switches set one is applied to the feelings being test under electronic electric equipment actual conditions from the controlling switch of itself farther out
Condition, the normal open switch K1 of relay one is being test for being applicable when the actual controlling switch of electronic electric equipment is mechanical switch, electricity
Sub switch K3 is being test for being applicable when the actual controlling switch of electronic electric equipment is electronic switch.Selection control relay two
Normal open switch K1 when, the make-and-break time and frequency of the normal open switch K1 of controller control relay two, at the same keep electronic cutting
K3 is closed to disconnect, on the contrary the normal open switch K1 of relay two disconnects.Electronic cuttings of the electronic switch K3 including triode or diode etc.
Close.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the switches set two includes relay
One end connection inductance L of two and electronic switch K4, the normal open switch K2 of the relay two, the other end connects the defeated of voltage probe
Go out end and be test for electronic electric equipment for connecting, the coil Km2 and electronic switch K4 of the relay two are connected respectively
Controller, the electronic switch K4 is in parallel with the normal open switch K2 of relay two.Switches set two is suitable for being test for electronics electricity
Situation under gas equipment actual conditions close to the controlling switch of itself, the normal open switch K2 of relay two is being test for electronics
It is applicable when the actual controlling switch of electrical equipment is mechanical switch, electronic switch K4 is being test for the actual control of electronic electric equipment
It is applicable when switch processed is electronic switch.Select control relay two normal open switch K2 when, controller control relay two it is normal
The make-and-break time and frequency of K2 are switched, while keep electronic switch K4 to disconnect, on the contrary the normal open switch K2 of relay two disconnects.
Electronic switches of the electronic switch K4 including triode, diode etc..
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the controller input is connected with
Temperature sensor for detecting ambient temperature.Be test for electronic electric equipment needs a temperature in test process
Degree limitation, because temperature is too high to influence to test effect, and easily makes circuit paralyse, the too low standard that can influence to test effect
Really.Temperature sensor can experience the temperature of surrounding, be sent to controller, judge that Current Temperatures symbol does not meet survey by controller
Examination is required.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the operation interface includes switches set
Set and press using button, switchtype select button, switch on and off time button, switch on and off frequency button, upper voltage limit value
Button, temperature setting button and start button, the input of whole button connects controllers.This test device can be detected
Different electronic electric equipments, operating personnel can be set by the button of these in operation interface, be surveyed the need for difference
The electronic electric equipment of examination needs condition different, and operating personnel's sets itself, controller receives setting signal and controls correlator again
Part works.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the controller is provided with for even
The communication interface of tested electronic electric equipment output signal line is connect, the communication interface includes CAN interface, LIN buses
Interface, analog signal interface and digital signal interface.If being test for electronic electric equipment with holding wire, that is by its signal
Line connects the corresponding communication interface of controller, and when obtaining electric, controller receives the signal control that holding wire sends to electronic electric equipment
Display screen processed shows its signal.So contribute to judge Current electronic electrical equipment whether normal work so that this test is filled
The test result put is more accurate.
In above-mentioned automotive electronics electrical equipment transient state conducted emission test device, the present apparatus includes cable one, cable
2nd, cable three and cable four, the power supply are connected with switches set one by cable one, and the switches set one is with inductance L by electricity
Cable two is connected, and the inductance L is connected with switches set two by cable three, and the switches set two is connected with one end of cable four, electricity
The other end of cable four is test for electronic electric equipment, the length of the cable one, cable two, cable three and cable four for connection
It is short that according to electronic electric equipment is test for, onboard actually used situation determines.By setting cable connection and to cable
Length requirement, carrys out the real working condition that simulation electronic electrical equipment works on vehicle, so as to be more accurate test data.
Compared with prior art, the present invention has advantages below：
1st, the present invention can automatic test electronic electric equipment, save time and efforts, and simple to operate.
2nd, the present invention can simulate the operating mode being test for when electronic electric equipment is onboard set using, and make the knot of test
Fruit is more accurate, reduces error rate.
3rd, the present invention has operation interface and display screen, operating personnel is easily operated, and can be intuitively
Check test data result.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is that switches set of the invention, switches set two, artificial mains network and controller interconnect schematic diagram.
In figure：1st, controller；2nd, power supply；3rd, switches set one；4th, switches set two；5th, artificial mains network；6th, voltage probe；
7th, temperature sensor；8th, display screen；9th, switches set uses button；10th, switchtype select button；11st, the switch on and off time press
Button；12nd, switch on and off frequency button；13rd, upper voltage limit value settings button；14th, temperature setting button；15th, start button；16、
CAN interface；17th, LIN EBIs；18th, analog signal interface；19th, digital signal interface；20th, cable one；21st, cable
Two；22nd, cable three；23rd, cable four.
Specific embodiment
The following is specific embodiment of the invention, and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, this automotive electronics electrical equipment transient state conducted emission test device, including controller 1, for quilt
Power supply 2 that the electronic electric equipment of test is powered, the switches set 1 of electronic electric equipment is test for for break-make and for adopting
Collection is test for the voltage probe 6 of voltage transient transmitted value after electronic electric equipment is powered, and the present apparatus also includes being used for break-make quilt
The switches set 24 of the electronic electric equipment of test.The input of switches set 1 connects one end of power supply 2, output end connecting valve
The input of group 24, the other end of power supply 2 is test for electronic electric equipment for connection, and the output end of switches set 24 is used to connect
Connect and be test for electronic electric equipment, the input of voltage probe 6 distinguishes the output end of connecting valve group 24 and power supply 2 to be used to connect
One end of electronic electric equipment is test for, switches set 1 and switches set 24 connect the output end of controller 1.Switches set 1
The artificial mains network 5 for replacing vehicle harness characteristic is also associated with and switches set 24 between, artificial mains network's 5 is defeated
Entering end connection power supply 2 is used to connect the one end for being test for electronic electric equipment, and the output end of artificial mains network 5 is used to connect quilt
The electronic electric equipment of test.
The input of controller 1 is also associated with operation interface and has the temperature sensor 7 for detecting ambient temperature,
The output end of controller 1 is also associated with display screen 8.Operation interface include switches set using button 9, switchtype select button 10,
Switch on and off time button 11, switch on and off frequency button 12, upper voltage limit value settings button 13, temperature upper limit settings button
And start button 15, the input of whole button connects controllers 1.Controller 1 is provided with for connecting tested electricity
The communication interface of sub- electrical equipment output signal line, communication interface includes CAN interface 16, LIN EBIs 17, simulation letter
Number interface 18 and digital signal interface 19.The present apparatus also includes cable 1, cable 2 21, cable 3 22 and cable 4 23, electricity
Source 2 is connected with switches set 1 by cable 1, and switches set 1 is connected with inductance L by cable 2 21, inductance L and switches set
24 are connected by cable 3 22, and the switches set 24 is connected with one end of cable 4 23, and the other end of cable 4 23 is used to connect
Connect and be test for electronic electric equipment, the length of the cable 1, cable 2 21, cable 3 22 and cable 4 23 is according to tested
Onboard actually used situation determines the electronic electric equipment of examination.
As shown in Fig. 2 artificial mains network 5 includes inductance L, electric capacity C, resistance R and resistance Rs, the connection point of inductance L two ends
Other connecting valve group 1 and switches set 24, between one end connection inductance L and switches set 1 of resistance Rs, the other end connects respectively
Connect power supply 2 for connect be test for electronic electric equipment one end and resistance R one end, the other end of resistance R connects electric capacity C
One end, between the other end connection inductance L and switches set 24 of electric capacity C, one end of resistance R connection resistance Rs is used for instead of power supply 2
Connection is test for electronic electric equipment, and the input of voltage probe 6 distinguishes connecting valve group 24 and resistance R to be used to connect tested
One end of the electronic electric equipment of examination.Switches set 1 includes relay one and electronic switch K3, the normal open switch K1 of relay one
Two ends connect power supply 2 and inductance L respectively, the coil Km1 and electronic switch K3 of relay connect the output of controller 1 respectively
End, electronic switch K3 is in parallel with the normal open switch K1 of relay one.Switches set 24 includes relay two and electronic switch K4, after
One end connection inductance L of the normal open switch K2 of electrical equipment two, the other end connection output end of voltage probe 6 and tested for connecting
Electronic electric equipment, the coil Km2 and electronic switch K4 of relay two connect controller 1, electronic switch K4 and relay respectively
The normal open switch K2 of device two is in parallel.
The higher limit setting signal treatment that controller 1 receives the voltage transient transmitted value of operation interface obtains voltage transient hair
Penetrate the higher limit of value.When electronic electric equipment is test for close to controlling switch itself, the operation interface sends control during test
Signal processed remained up to the controlling switch group 1 of controller 1 and controlling switch group 24 make-and-break time and frequency；When tested
Electronic electric equipment away from controlling switch itself, the operation interface sends control signal and is opened to the control of controller 1 during test
Pass group 24 remain up and controlling switch group 1 make-and-break time and frequency.Controller 1 receives the switch that operation interface sends
The make-and-break time and frequency of one 3 control signal controlling switch groups 1 of group, when 1 controlling switch group of controller 1 is connected, controller 1
The voltage transient transmitted value of the transmission of receiving voltage probe 6 simultaneously compares with current upper bound value, the display ratio of 1 control display screen of controller 8
Relatively result and current voltage transient state transmitted value.
The following is operation principle of the invention：
Selection will be test for electronic electric equipment, such as air blower, electric window wing swinging machine, combination instrument etc..According to quilt
The electronic electric equipment of test is onboard set using operating mode and in-house facility power determines cable 1, cable 2 21, electricity
The length of cable 3 22 and cable 4 23；The higher limit of voltage transient transmitted value；Meet the maximum temperature values of test request；And electricity
Hinder the resistance of Rs.Determine selection from the far and near of electronic electric equipment according to the actual controlling switch of electronic electric equipment is test for
Switches set 1 or switches set 24, and corresponding switch in the species selecting switch group of its controlling switch is controlled
Test, from the normal open switch of relay if being originally mechanical switch；Originally it was that electronic switch then selects electronic switch K3 or electronics
Switch K4.According to test needs, it is determined that switching on-off time and break-make frequency.
The selection of power supply 2：The internal resistance of uninterruptable power 2 should be less than the Ω of direct current 0.01.If using reference power supply 2（With foot
Enough current-carrying capacities）Carry out simulated automotive battery, should be noted the low internal resistance of simulated battery.If using automobile batteries, it is necessary to the electricity that charges
Source 2 reaches the fiduciary level of regulation.
The selection of cable：The length of cable should be selected according to electronic electric equipment actually used situation onboard, that is, match somebody with somebody
Line should be able to bear to be test for the operating current of electronic electric equipment, if without clear stipulaties in experiment, below Ying You parameters with
Meet standard requirement：Using the connector of the countersunk of 100A, four pairs of connection cable length meet following requirement：45mm≤cable
2 21 length≤75mm, 75mm≤3 22 length of cable≤125mm, 150mm≤length of one 20 length of cable+connection cable 2 21
≤ 250mm, 150mm≤3 22 length of cable+4 23 length of cable≤250mm.
The electronic component that artificial mains network 5 includes is preferably following parameter, to meet the requirement of standard.Inductance L is big
Small is 5 μ H（Air core coil）；Electric capacity C sizes are 0.1 μ F（In alternating current 200V operating voltages and direct current 1500V operating voltages
When）；Resistance R sizes are 50 Ω；The size of resistance Rs according to when being test for electronic electric equipment and onboard using, the point of disconnection
The resistance value for obtaining is measured on wire harness between fire switch one end and ground, when without any clear and definite numerical value, resistance should be selected
Rs resistances are 40 Ω.If using wire-wound resistor, it is double wrap resistance to need（There is minimum reactive component）.Rs be used for simulate with
It is test for the D.C. resistance of other electronic electric equipments in parallel when electronic electric equipment is onboard used.
Introduced for electric window wing swinging machine work is specific from electronic electric equipment is test for.
Due to the test of transient state conducted emission it is necessary to ensure that test arrangement is not disturbed by periphery electromagnetic environment, so this automobile
Electronic electric equipment transient state conducted emission test device is positioned in screened room, and test process is also completed in screened room.In screen
Covering interior will set a ground connection flat board, be used to present apparatus ground connection.
Test completes following operation before starting：By electric window wing swinging machine by cable 4 23 and the normal open switch K2 of relay two
One end connection of electronic electric equipment is test for for connecting, and electronics is test for for being connected with resistance R by cable
One end connection of electrical equipment.Electric window wing swinging machine on car and its controlling switch are very close to therefore selecting the conduct of switches set 24
Control is used, and operating personnel can use the present switches set 24 of button 9 by switches set, simultaneously because the reality of electric window wing swinging machine
Controlling switch is mechanical switch, therefore operating personnel should be by switchtype select button 10 come the normally opened of selective relay two
Switch K2.Without the length of clear stipulaties cable in experiment, therefore below Ying You parameters are required with meeting standard：Using burying for 100A
The connector of head bore, four pairs of connection cable length meet following requirement：45mm≤2 21 length of cable≤75mm, 75mm≤cable
3 22 length≤125mm, 150mm≤one 20 length of cable+2 21 length of connection cable≤250mm, 150mm≤cable 3 22 is grown
4 23 length of degree+cable≤250mm（The connection cable length sum of power supply 2 and artificial mains network 5 and electric window wing swinging machine with
Cable 1, cable 2 21, cable 3 22, cable 4 23 length sum it is equal）.There is no any clear and definite numerical value in experiment
When, it is 40 Ω that resistance Rs resistances are selected.It is preferred that the normal open switch K2 of relay two is connected 5 seconds disconnecting 1 second, break-make number of times is 1000
Secondary, these are respectively provided with realization by switch on and off time button 11 and switch on and off frequency button 12.The electricity of electric window wing swinging machine
The higher limit for pressing transient state transmitted value is 100V, therefore operating personnel should set voltage wink by upper voltage limit value settings button 13
The higher limit of state transmitted value is 100V.The test environment temperature of electric window wing swinging machine is maximum to be no more than 28 DEG C, and minimum is not less than 18 DEG C,
Therefore it is 23 DEG C ± 5 DEG C that operating personnel should set temperature range by temperature setting button 14.
After the button of operation interface sets above-mentioned parameter and instruction, controller 1 is stored in these parameters to operating personnel
And instruction, now, after operating personnel press start button 15, controller 1 starts automatic test job, and the control of controller 1 is aobvious
The higher limit of the selection of the display switch group of display screen 8, make-and-break time, break-make frequency and voltage transient transmitted value.Controller 1 receives temperature
The temperature control display screen 8 of the experimental enviroment that degree sensor 7 sends shows, while whether controller 1 judges its temperature at 23 DEG C
In the range of ± 5 DEG C, not in the range of this, the direct underproof prompting of the displays temperature of control display screen 8 of controller 1, no longer
Carry out following work.
When controller 1 judges the temperature of experimental enviroment in the range of 23 DEG C ± 5 DEG C, controller 1 controls electronic switch K3
Normal open switch K1 with relay one is remained turned on, and is directly connected to equivalent to power supply 2 and artificial mains network 5, same to time control
Device processed 1 controls electronic switch K4 off-states, that is, the break-make of the normal open switch K2 of controller 1 control relay two to adopt
Collect the power-on voltage value of electric window wing swinging machine.Controller 1 sends coil Km2 of the control signal to relay two, control relay two
Normal open switch K2 connect 5 seconds disconnect 1 second, break-make number of times be 1000 times.The normal open switch K2 of each relay two is electric after connecting
Dynamic window regulator obtains electric, and voltage probe 6 can just collect voltage, and the transient voltage probe 6 of electric window wing swinging machine power-off can also be collected
Voltage.Controller 1 all can receiving voltage probe 6 send voltage transient transmitted value and compare with current upper bound value 100V, control
The control display screen 8 of device 1 shows comparative result and current voltage transient state transmitted value after connecting every time respectively.Each relay two
Normal open switch K2 closures connect circuit after, the time is 5 seconds therefore to have many magnitudes of voltage, due to 5 second time it is very short so
These magnitudes of voltage belong to voltage transient transmitted value.All be compared these values with higher limit by controller 1, when magnitude of voltage all compares
Higher limit is small, 1 control display screen of controller 8, one magnitude of voltage of display information smaller than higher limit, when wherein there is magnitude of voltage ratio
Higher limit is big, and the control display screen 8 of controller 1 shows the magnitude of voltage non-compliant information of test bigger than higher limit.Controller 1
The magnitude of voltage control display screen 8 that voltage probe 6 sends will be received to be shown in the form of waveform, when wherein abscissa is
Between, ordinate is the magnitude of voltage of the higher limit 100V comprising voltage transient transmitted value.Operating personnel can be directly perceived by display screen 8
See test result, it is also possible to judge peak value whether less than 100V by the peak value for checking waveform.Due to be powered moment with
And the momentary electron electrical equipment of power-off can all produce electromagnetism, the voltage after power on/off is big, then the electromagnetic interference for producing also can be big,
Therefore judge electric window wing swinging machine energization transient voltage value whether symbol standard, can just obtain the electromagnetism that electric window wing swinging machine sends is
No symbol standard.
Electric window wing swinging machine onboard real work when, power supply is divided into automobile storage battery and engine is powered, it is assumed that vapour
Car selects the voltage of battery for 12V, then test power supply 2 should be respectively 13.5 ± 0.5V (voltage during generator operation) and 12 ±
0.2V（Voltage when battery is powered）.When each power supply 2 works, the normal open switch K2 of relay two all break-makes 1000 times are carried out
Test.Although test voltage is smaller, the voltage that electric window wing swinging machine moment produces is very high, therefore selection 100V is used as voltage wink
Between transmitted value higher limit.
Meet that test voltage both less than 100V represents production is test for electric window wing swinging machine symbol production standard.Operator
The higher limit that member can also set other voltage instantaneous transmitted value is repeatedly tested, and other higher limits should be less than 100V, excellent
Elect 25V, 50V, 75V as.Test voltage is both less than 25V, represents the electricity for being test for being sent when electric window wing swinging machine works of production
Magnetic is small, and the electric window wing swinging machine quality of production is high.Test voltage is less than 50V more than 25V, and show production is test for electric rocking window
Machine quality is preferable.Test voltage is less than 75V more than 50V, show production to be test for electric window wing swinging machine quality general.Test electricity
Pressure is less than 100V more than 75V, show production to be test for electric window wing swinging machine second-rate, but meet production standard.
Electric window wing swinging machine carries LIN buses, therefore LIN buses can be connected to the LIN EBIs 17 of controller 1,
When controller 1 starts work and during electric window wing swinging machine energization work, the vehicle window that controller 1 is received in LIN buses rises manually/under
The signal of reception is shown, grasped by drop signal, rapid increase/dropping signal, anti-pinch state detection signal, controller 1 in display screen 8
Making personnel can just check whether the important output of electric window wing swinging machine is normal.
During actual test, controller 1 can also connect power supply 2 and judge whether the voltage of power supply 2 meets standard.In control
After device processed 1 receives the enabling signal of the transmission of start button 15, first receive the voltage of power supply 2 and judge, judge the voltage of power supply 2
When undesirable, the display current power 2 of 1 control display screen of controller 8 does not meet test request, and controller 1 is not carried out
Next step is acted.
In actual test, the input of controller 1 is connected with SR, and by SR, operating personnel can be
The reset work of controller 1.
Present apparatus test electronic electric equipment produces voltage transient transmitted value with shutdown transient after powered up, and judges voltage
Whether transient state transmitted value meets production installation requirement, and voltage transient transmitted value meets standard can just turn down electronic electric equipment product
Raw electromagnetism meets standard, then show that being test for electronic electric equipment meets production installation requirement.The present apparatus is by simulating quilt
The electronic electric equipment of test actually used situation onboard is automatically tested, and thus makes test result more accurate
Really, with wide variety of prospect.
Specific embodiment described herein is only to explanation for example of the invention.The technical field of the invention
Technical staff can be made various modifications or supplement to described specific embodiment or be substituted using similar mode, but
Without departing from spirit of the invention or surmount scope defined in appended claims.
Although more used herein controller 1, power supply 2, switches set 1, switches set 24, artificial mains network 5,
Voltage probe 6, temperature sensor 7, display screen 8, switches set use button 9, switchtype select button 10, switch on and off time
Button 11, switch on and off frequency button 12, upper voltage limit value settings button 13, temperature setting button 14, start button 15, CAN
EBI 16, LIN EBIs 17, analog signal interface 18, digital signal interface 19, cable 1, cable 2 21, cable
3 22, the term such as cable 4 23, but it is not precluded from using the possibility of other terms.Using these terms just for the sake of more square
Just describing and explaining essence of the invention and being construed as any additional limitation is disagreed with spirit of the present invention
The back of the body.
Claims (9)
1. a kind of automotive electronics electrical equipment transient state conducted emission test device, it is characterised in that the present apparatus includes controller
(1), for being test for power supply (2) that electronic electric equipment powers, opening for electronic electric equipment is test for for break-make
Guan Zuyi (3) and for gather be test for electronic electric equipment be powered after voltage transient transmitted value voltage probe (6), it is described
One end of input connection power supply (2) of switches set one (3), the output end of switches set one (3) is test for electronics for connection
Electrical equipment, the other end of power supply (2) is test for electronic electric equipment, the input of the voltage probe (6) for connection
The output end and power supply (2) of connecting valve group one (3) are test for one end of electronic electric equipment, the electricity for connecting respectively
The input of output end connection controller (1) of pressure probe (6), control end connection controller (1) of the switches set one (3)
Output end, the input of the controller (1) is also associated with operation interface, and controller (1) output end is also associated with display
Screen (8), the higher limit setting signal treatment that the controller (1) receives the voltage transient transmitted value of operation interface obtains voltage wink
The higher limit of state transmitted value, the controller (1) receives the control signal controlling switch group of switches set one (3) that operation interface sends
One (3) make-and-break time and frequency, when controller (1) controlling switch group one (3) is connected, controller (1) receiving voltage probe (6)
The voltage transient transmitted value of transmission simultaneously compares with current upper bound value, controller (1) control display screen (8) display comparative result and
Current voltage transient state transmitted value, the present apparatus also includes being test for for break-make the switches set two (4) of electronic electric equipment, described
The output end of the input connecting valve group one (3) of switches set two (4), the output end of the switches set two (4) is used to connect tested
The electronic electric equipment of examination, the output end and power supply (2) of voltage probe (6) the input difference connecting valve group two (4) are used
One end of electronic electric equipment, the output of control end connection controller (1) of the switches set two (4) are test in connection
End, when electronic electric equipment is test for close to controlling switch itself, the operation interface sends control signal to control during test
Device (1) controlling switch group one (3) processed remain up and controlling switch group two (4) make-and-break time and frequency；When being test for electricity
Away from controlling switch itself, the operation interface sends control signal and gives controller (1) controlling switch sub- electrical equipment during test
Group two (4) remain up and controlling switch group one (3) make-and-break time and frequency, the switches set one (3) includes relay one
With electronic switch K3, the coil Km1 and electronic switch K3 of the relay one connect the output end of controller (1) respectively, described
Electronic switch K3 is in parallel with the normal open switch K1 of relay one.
2. automotive electronics electrical equipment transient state conducted emission test device according to claim 1, it is characterised in that described
The artificial mains network (5) for replacing vehicle harness characteristic is connected between switches set one (3) and switches set two (4), it is described
The input of artificial mains network (5) connects one end that power supply (2) is test for electronic electric equipment for connecting, described people
Work electric power network (5) output end is test for electronic electric equipment for connection.
3. automotive electronics electrical equipment transient state conducted emission test device according to claim 2, it is characterised in that described
Artificial mains network (5) includes inductance L, electric capacity C, resistance R and resistance Rs, the inductance L two ends difference connecting valve group one (3)
With switches set two (4), between one end connection inductance L and switches set one (3) of the resistance Rs, the other end connects power supply respectively
(2) one end of electronic electric equipment and one end of resistance R, the other end connection electric capacity C mono- of resistance R are test for for connection
End, between the other end connection inductance L and switches set two (4) of electric capacity C, one end of the resistance R connection resistance Rs replaces power supply
(2) electronic electric equipment is test for for connection, voltage probe (6) input distinguishes the defeated of connecting valve group two (4)
Going out end and resistance R is used to connect the one end for being test for electronic electric equipment.
4. automotive electronics electrical equipment transient state conducted emission test device according to claim 3, it is characterised in that described
The two ends of the normal open switch K1 of relay one connect power supply (2) and inductance L respectively.
5. automotive electronics electrical equipment transient state conducted emission test device according to claim 3, it is characterised in that described
Switches set two (4) includes relay two and electronic switch K4, and one end of the normal open switch K2 of the relay two connects inductance L,
The other end connects the output end of voltage probe (6) and is test for electronic electric equipment, the line of the relay two for connecting
Circle Km2 and electronic switch K4 connects controller (1) respectively, and the electronic switch K4 is in parallel with the normal open switch K2 of relay two.
6. automotive electronics electrical equipment transient state conducted emission test device according to claim 1, it is characterised in that described
Controller (1) input is connected with the temperature sensor (7) for detecting ambient temperature.
7. automotive electronics electrical equipment transient state conducted emission test device according to claim 1, it is characterised in that described
Operation interface includes that switches set uses button (9), switchtype select button (10), switch on and off time button (11), switch
Break-make frequency button (12), upper voltage limit value settings button (13), temperature setting button (14) and start button (15), it is described
Switches set uses button (9), switchtype select button (10), switch on and off time button (11), switch on and off frequency button
(12), upper voltage limit value settings button (13) and temperature setting button (14) and start button (15) connect controller respectively
(1) input.
8. automotive electronics electrical equipment transient state conducted emission test device according to claim 1, it is characterised in that described
Controller (1) is provided with the communication interface for connecting tested electronic electric equipment output signal line, the communication interface bag
Include CAN interface (16), LIN EBIs (17), analog signal interface (18) and digital signal interface (19).
9. automotive electronics electrical equipment transient state conducted emission test device according to claim 3, it is characterised in that this dress
Put including cable one (20), cable two (21), cable three (22) and cable four (23), the power supply (2) is led to switches set one (3)
The connection of cable one (20) is crossed, the switches set one (3) is connected with inductance L by cable two (21), the inductance L and switches set two
(4) connected by cable three (22), the switches set two (4) is connected with one end of cable four (23), cable four (23) it is another
Hold and be test for electronic electric equipment, the cable one (20), cable two (21), cable three (22) and cable four for connection
(23) according to electronic electric equipment is test for, onboard actually used situation determines length.
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| CN201310585752.4A CN103592543B (en) | 2013-11-19 | 2013-11-19 | A kind of automotive electronics electrical equipment transient state conducted emission test device |
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| CN201310585752.4A CN103592543B (en) | 2013-11-19 | 2013-11-19 | A kind of automotive electronics electrical equipment transient state conducted emission test device |
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| CN103592543B true CN103592543B (en) | 2017-07-07 |
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| CN107991564A (en) * | 2017-12-07 | 2018-05-04 | 广州立讯检测有限公司 | A kind of automotive electronics electrical equipment transient state vulnerability to jamming tests system |
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| CN103592543A (en) | 2014-02-19 |
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Effective date of registration: 20170608 Address after: 030600 No. 369 East Guang'an street, Yuci District, Shanxi, Jinzhong Applicant after: Shanxi Jili Automobile Parts Co., Ltd. Address before: Taizhou City, Zhejiang Province, 317000 coastal city east gate head Applicant before: Zhejiang Geely Automobile Research Institute Co., Ltd. Applicant before: Zhejiang Geely Holding Group Co., Ltd. |
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