CN206193212U - Lamps and lanterns electromagnetic compatibility can subtest system - Google Patents
Lamps and lanterns electromagnetic compatibility can subtest system Download PDFInfo
- Publication number
- CN206193212U CN206193212U CN201621244334.4U CN201621244334U CN206193212U CN 206193212 U CN206193212 U CN 206193212U CN 201621244334 U CN201621244334 U CN 201621244334U CN 206193212 U CN206193212 U CN 206193212U
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- optical
- electrical converter
- light intensity
- light fixture
- host computer
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Abstract
The utility model relates to an electromagnetic compatibility technical field, concretely relates to lamps and lanterns electromagnetic compatibility can subtest system, include: place the lamps and lanterns in the darkroom, the system still includes: the host computer, respectively with upper electromechanical signal input unit of connecting and control unit, the signal input unit with the lamps and lanterns electricity is connected, PC control the signal input unit does lamps and lanterns provide stable signal input, the control unit is gathered in real time the light intensity value of lamps and lanterns, and will the light intensity value sends to after converting the magnitude of voltage into the host computer. Through the utility model discloses, guaranteed that lamps and lanterns carry out accuracy and reliability that electromagnetic compatibility can test.
Description
Technical field
The utility model is related to technical field of electromagnetic compatibility, and in particular to a kind of light fixture Electro Magnetic Compatibility subtest system
System.
Background technology
With the continuous lifting of automotive circuit diagram degree, Electro Magnetic Compatibility (EMC, the Electromagnetic of automobile
Compatibility the visual field) is also gradually entered into, regulation is further strict in addition, and electromagnetic compatibility turns into the lifting of major main engine plants
Main way.By taking on-vehicle lamp as an example, when EMC tests are carried out, the frequency letter of stabilization when primary need ensures to turn to lamp test
Number input；Secondary need ensures that monitoring device can accurately judge whether current light fixture illuminance meets functional requirement.
The technological means for being used to the test of the Electro Magnetic Compatibility of light fixture in the prior art for：Driven using flashing relay
Light fixture, and carry out illuminance by eye-observation and whether meet functional requirement being judged.
But existing means of testing has the disadvantages that：
1st, flashing relay quality height differs greatly, and the EMC Immunity Performances of itself cannot also ensure, to experimental result
Can impact.
2nd, flashing relay be there are certain requirements for load, and correct frequency can be only realized under nominal operation loading condition
Rate is input into, and when being loaded less than nominal operation, frequency will be accelerated, it is impossible to realize that correct frequency is input into.
3rd, the illuminance generally for on-vehicle lamp changes, and is judged as if rate of change is more than 15% unqualified but different
Human eye it is different for the change sensitivity of light, it is impossible to do quantitative judgement, occur the probability of erroneous judgement so as to increase.
Utility model content
The utility model provides a kind of light fixture Electro Magnetic Compatibility auxiliary testing system, to ensure that it is simultaneous that light fixture carries out electromagnetism
Hold the accuracy and reliability of performance test.
To achieve the above object, the utility model provides following technical scheme：
A kind of light fixture Electro Magnetic Compatibility auxiliary testing system, including：The light fixture in darkroom is placed on, the system is also wrapped
Include：Host computer, respectively with the signal input unit and monitoring unit of the upper mechatronics；The signal input unit and institute
State light fixture electrical connection；Signal input unit described in the PC control provides the signal input of stabilization for the light fixture, described
The light intensity value of light fixture described in monitoring unit Real-time Collection, and the light intensity value is converted to send to after magnitude of voltage it is described upper
Machine.
Preferably, the signal input unit includes：Signal generator, the first optical-electrical converter and by optical fiber and institute
State the second optical-electrical converter of the first optical-electrical converter connection；
Second optical-electrical converter is placed on the darkroom and is electrically connected with the light fixture；
The signal generator is connected between the host computer and first optical-electrical converter.
Preferably, the monitoring unit includes：Pressure measuring instrument, the 3rd optical-electrical converter, the 4th optical-electrical converter and
Light intensity sensor；
The light intensity sensor is electrically connected with the 4th optical-electrical converter, and the light intensity sensor is placed on described dark
Room, for gathering the light intensity value of the light fixture and sending the 4th opto-electronic conversion to after the light intensity value is converted into magnitude of voltage
Device；
4th optical-electrical converter is placed on the darkroom, and the 4th optical-electrical converter passes through optical fiber and the described 3rd
Optical-electrical converter is connected；
The pressure measuring instrument is connected between the 3rd optical-electrical converter and the host computer.
Preferably, the monitoring unit includes：Oscillograph, the 3rd optical-electrical converter, the 4th optical-electrical converter and light intensity
Sensor；
The light intensity sensor is electrically connected with the 4th optical-electrical converter, and the light intensity sensor is placed on described dark
Room, for gathering the light intensity value of the light fixture and sending the 4th opto-electronic conversion to after the light intensity value is converted into magnitude of voltage
Device；
4th optical-electrical converter is placed on the darkroom, and the 4th optical-electrical converter passes through optical fiber and the described 3rd
Optical-electrical converter is connected；
The oscillograph is connected between the 3rd optical-electrical converter and the host computer.
Preferably, the model TSL2561 of the light intensity sensor.
The beneficial effects of the utility model are：
The light fixture Electro Magnetic Compatibility auxiliary testing system that the utility model is provided, light fixture is placed on darkroom, signal input
Unit provides the signal input of stabilization for the light fixture, the light intensity value of light fixture described in monitoring unit Real-time Collection, and by the light
Intensity values send host computer to after being converted to magnitude of voltage, so that the host computer shows the light intensity value situation of change of the light fixture.It is logical
Cross the utility model, it is ensured that light fixture carries out the accuracy and reliability of Electro Magnetic Compatibility test.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the utility model embodiment light fixture Electro Magnetic Compatibility auxiliary testing system.
Fig. 2 is another structural representation of the utility model embodiment light fixture Electro Magnetic Compatibility auxiliary testing system.
Specific embodiment
In order that those skilled in the art can be further understood that feature of the present utility model and technology contents, with reference to
Drawings and embodiments elaborate to the utility model embodiment.
If Fig. 1 is a kind of structural representation of the utility model embodiment light fixture Electro Magnetic Compatibility auxiliary testing system,
Including：The light fixture in darkroom is placed on, the system also includes：Host computer, respectively with the signal input of the upper mechatronics
Unit and monitoring unit；The signal input unit is electrically connected with the light fixture；Signal input list described in the PC control
First signal input that stabilization is provided for the light fixture, the light intensity value of light fixture described in the monitoring unit Real-time Collection, and will be described
Light intensity value sends the host computer to after being converted to magnitude of voltage.
It should be noted that the host computer is configured to the electric signal relevant parameter for needing to send, predominantly voltage
Value and frequency values are set.The magnitude of voltage and frequency values that host computer will have been set are sent to signal input unit, so that the signal
Input block provides the signal input of stabilization according to the magnitude of voltage and frequency values for having set for light fixture.
It should be noted that in the utility model, host computer can be placed in the control rooms different from darkroom, with convenient
Operating personnel realize the operation to host computer in control room.
Specifically, the signal input unit includes：Signal generator, the first optical-electrical converter and by optical fiber and institute
State the second optical-electrical converter of the first optical-electrical converter connection.
Second optical-electrical converter is placed on the darkroom and is electrically connected with the light fixture；The signal generator connection
Between the host computer and first optical-electrical converter.
It should be noted that in the utility model, light fixture can be on-vehicle lamp, because on-vehicle lamp is carrying out EMC surveys
There is Chang Liang during examination, for example daytime running lamps, headlight, taillight need Chang Liang；Also have what is flashed according to certain frequency, for example turn to
Lamp needs to be flashed according to certain frequency.Therefore two kinds of signal generator signal output described in PC control described in the present embodiment is not
A kind of same signal, signal is the certain signal output of voltage, and another signal is the voltage signal output that frequency is fixed.Need
Bright, the first optical-electrical converter can be placed on control room with signal generator, to facilitate operating personnel to signal generator
And first optical-electrical converter operation.
Specifically, as shown in Fig. 2 the monitoring unit includes：Pressure measuring instrument, the 3rd optical-electrical converter, the 4th photoelectricity
Converter and light intensity sensor.
The light intensity sensor is electrically connected with the 4th optical-electrical converter, and the light intensity sensor is placed on described dark
Room, for gathering the light intensity value of the light fixture and sending the 4th opto-electronic conversion to after the light intensity value is converted into magnitude of voltage
Device；4th optical-electrical converter is placed on the darkroom, and the 4th optical-electrical converter passes through optical fiber and the 3rd photoelectricity
Converter is connected；The pressure measuring instrument is connected between the 3rd optical-electrical converter and the host computer.Need explanation
That the 3rd optical-electrical converter and pressure measuring instrument can be placed on control room, facilitating operating personnel to pressure measuring instrument and
The operation of the 3rd optical-electrical converter.Further, in the utility model embodiment, pressure measuring instrument is the 3rd optical-electrical converter of measurement
The instrument of voltage output voltage, such as, be universal meter.
As shown in Fig. 2 host computer is after signal generator provides input signal for light fixture, light fixture is lit, in darkroom
Interior, light intensity sensor gathers the light intensity value of the light fixture, and the 4th optical-electrical converter enters traveling optical signal conversion to the light intensity value, and
By Optical Fiber Transmission to the 3rd optical-electrical converter in control room, the 3rd optical-electrical converter will obtain signal be converted to it is measurable
Electric signal, pressure measuring instrument measures the magnitude of voltage of the electric signal, and be transferred to host computer show with analysis.
In the utility model another embodiment, pressure measuring instrument can also be replaced by oscillograph in monitoring system, be realized
Measurement to the 3rd optical-electrical converter output voltage.Specifically, the monitoring unit includes：Oscillograph, the 3rd optical-electrical converter,
4th optical-electrical converter and light intensity sensor.
The light intensity sensor is electrically connected with the 4th optical-electrical converter, and the light intensity sensor is placed on described dark
Room, for gathering the light intensity value of the light fixture and sending the 4th opto-electronic conversion to after the light intensity value is converted into magnitude of voltage
Device；4th optical-electrical converter is placed on the darkroom, and the 4th optical-electrical converter passes through optical fiber and the 3rd photoelectricity
Converter is connected；The oscillograph is connected between the 3rd optical-electrical converter and the host computer.It should be noted that the
Three optical-electrical converters can be placed on control room with oscillograph, to facilitate operating personnel to oscillograph and the 3rd optical-electrical converter
Operation.
Specifically, after signal generator provides input signal for light fixture, light fixture is lit host computer, in darkroom,
Light intensity sensor gathers the light intensity value of the light fixture, and the 4th optical-electrical converter enters traveling optical signal conversion to the light intensity value, and leads to
Optical Fiber Transmission is crossed to the 3rd optical-electrical converter in control room, the 3rd optical-electrical converter will obtain signal and be converted to measurable electricity
Signal, the magnitude of voltage of the oscilloscope measurement electric signal, and be transferred to host computer and show and analysis.
It should be noted that in the utility model, first optical-electrical converter, the second optical-electrical converter, the 3rd photoelectricity
Converter and the 4th optical-electrical converter can be same model.
Specifically, the model TSL2561 of the light intensity sensor.TSL2561 is light-digital quantizer, and it is by light intensity
Data signal output is converted into, with direct I2C interfaces or SMBus interfaces.Each equipment connects the photosensitive of bandwidth
Diode and a photodiode for infrared response on independent CMOS integrated circuits, this integrated circuit have offer
The ability of the near-photopic response of 20bit dynamic ranges.Light-dependent current is converted into a numeral output by two integrated ADCs,
This numeral output is represented and measures the luminous of each passage.
Further, the light fixture Electro Magnetic Compatibility accessory system that the utility model embodiment is provided, it is only necessary to according to electromagnetism
Electromagnetic antenna is placed in the requirement of compatibility standard in darkroom, the electromagnetic wave of different frequencies is sent by electromagnetic antenna, by upper
Position machine just can quantify and light fixture Electro Magnetic Compatibility is judged.
In sum, the light fixture Electro Magnetic Compatibility auxiliary testing system that the utility model embodiment is provided, meets light fixture
Measurement condition requirement, exclude additional device disturbing factor；Intensity monitor is realized measurable, and test result is true, accurate, excludes
Human factor；By the utility model, light fixture Electro Magnetic Compatibility test result is further ensured.
The utility model embodiment is described in detail above, specific embodiment used herein is to this practicality
New to be set forth, the explanation of above example is only intended to help and understands the utility model；Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications, to sum up
Described, the utility model content should not be construed as to limitation of the present utility model.
Claims (5)
1. a kind of light fixture Electro Magnetic Compatibility auxiliary testing system, including：It is placed on the light fixture in darkroom, it is characterised in that described
System also includes：Host computer, respectively with the signal input unit and monitoring unit of the upper mechatronics；The signal input
Unit is electrically connected with the light fixture；Signal input unit described in the PC control is defeated for the signal that the light fixture provides stabilization
Enter, the light intensity value of light fixture described in the monitoring unit Real-time Collection, and send institute to after the light intensity value is converted into magnitude of voltage
State host computer.
2. light fixture Electro Magnetic Compatibility auxiliary testing system according to claim 1, it is characterised in that the signal input
Unit includes：Signal generator, the first optical-electrical converter and be connected with first optical-electrical converter by optical fiber second
Optical-electrical converter；
Second optical-electrical converter is placed on the darkroom and is electrically connected with the light fixture；
The signal generator is connected between the host computer and first optical-electrical converter.
3. light fixture Electro Magnetic Compatibility auxiliary testing system according to claim 1, it is characterised in that the monitoring unit
Including：Pressure measuring instrument, the 3rd optical-electrical converter, the 4th optical-electrical converter and light intensity sensor；
The light intensity sensor is electrically connected with the 4th optical-electrical converter, and the light intensity sensor is placed on the darkroom, is used
The 4th optical-electrical converter is sent to after being converted to magnitude of voltage in the light intensity value for gathering the light fixture and by the light intensity value；
4th optical-electrical converter is placed on the darkroom, and the 4th optical-electrical converter passes through optical fiber and the 3rd photoelectricity
Converter is connected；
The pressure measuring instrument is connected between the 3rd optical-electrical converter and the host computer.
4. light fixture Electro Magnetic Compatibility auxiliary testing system according to claim 1, it is characterised in that the monitoring unit
Including：Oscillograph, the 3rd optical-electrical converter, the 4th optical-electrical converter and light intensity sensor；
The light intensity sensor is electrically connected with the 4th optical-electrical converter, and the light intensity sensor is placed on the darkroom, is used
The 4th optical-electrical converter is sent to after being converted to magnitude of voltage in the light intensity value for gathering the light fixture and by the light intensity value；
4th optical-electrical converter is placed on the darkroom, and the 4th optical-electrical converter passes through optical fiber and the 3rd photoelectricity
Converter is connected；
The oscillograph is connected between the 3rd optical-electrical converter and the host computer.
5. the light fixture Electro Magnetic Compatibility auxiliary testing system according to claim 3 or 4, it is characterised in that the light intensity
The model TSL2561 of sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621244334.4U CN206193212U (en) | 2016-11-18 | 2016-11-18 | Lamps and lanterns electromagnetic compatibility can subtest system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621244334.4U CN206193212U (en) | 2016-11-18 | 2016-11-18 | Lamps and lanterns electromagnetic compatibility can subtest system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206193212U true CN206193212U (en) | 2017-05-24 |
Family
ID=58727160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621244334.4U Expired - Fee Related CN206193212U (en) | 2016-11-18 | 2016-11-18 | Lamps and lanterns electromagnetic compatibility can subtest system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206193212U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633488A (en) * | 2018-11-21 | 2019-04-16 | 汽-大众汽车有限公司 | A kind of lamps and lanterns test macro and lamps and lanterns test method |
| CN111707453A (en) * | 2018-07-24 | 2020-09-25 | 广州柏曼光电科技有限公司 | Light source testing method and system |
| CN112946388A (en) * | 2021-01-29 | 2021-06-11 | 一汽奔腾轿车有限公司 | Radiation anti-interference test method and test bench for automobile self-adaptive far-reaching lamp system |
| CN113589193A (en) * | 2021-07-05 | 2021-11-02 | 一汽奔腾轿车有限公司 | Electromagnetic compatibility test system and test method for front and rear combination lamps of automobile |
-
2016
- 2016-11-18 CN CN201621244334.4U patent/CN206193212U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707453A (en) * | 2018-07-24 | 2020-09-25 | 广州柏曼光电科技有限公司 | Light source testing method and system |
| CN109633488A (en) * | 2018-11-21 | 2019-04-16 | 汽-大众汽车有限公司 | A kind of lamps and lanterns test macro and lamps and lanterns test method |
| CN109633488B (en) * | 2018-11-21 | 2020-12-18 | 一汽-大众汽车有限公司 | Lamp testing system and lamp testing method |
| CN112946388A (en) * | 2021-01-29 | 2021-06-11 | 一汽奔腾轿车有限公司 | Radiation anti-interference test method and test bench for automobile self-adaptive far-reaching lamp system |
| CN113589193A (en) * | 2021-07-05 | 2021-11-02 | 一汽奔腾轿车有限公司 | Electromagnetic compatibility test system and test method for front and rear combination lamps of automobile |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20191118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |