CN207573361U - A kind of detection device of measurable VLC equipments transmitting modulating performance - Google Patents
A kind of detection device of measurable VLC equipments transmitting modulating performance Download PDFInfo
- Publication number
- CN207573361U CN207573361U CN201721847429.XU CN201721847429U CN207573361U CN 207573361 U CN207573361 U CN 207573361U CN 201721847429 U CN201721847429 U CN 201721847429U CN 207573361 U CN207573361 U CN 207573361U
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- China
- Prior art keywords
- vlc
- measurable
- detection device
- modulating performance
- transmitting modulating
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Abstract
The utility model discloses a kind of detection device of measurable VLC equipments transmitting modulating performance, which includes transmitting modulating performance analysis module, illumination attenuation module, single axial movement control module, VLC assembling jigs to be measured and babinet；The transmitting modulating performance analysis module includes Network Analyzer；The single axial movement control module includes screw stepper motor, screw guide rail and sliding platform；The screw stepper motor and screw guide rail are separately mounted to the bottom of babinet；The Network Analyzer is mounted on sliding platform；VLC equipment receivers are provided in the VLC assembling jigs to be measured, which equips receiver and equip receiver bearing on sliding platform by VLC.Device provided by the utility model can measure VLC equipment transmitting modulating performances, rational in infrastructure, highly practical, flexibility is good, save working hour, improve Mechanical Moving precision, improve accuracy of detection, substitute manpower, greatly reduce cost.
Description
Technical field
The utility model is related to detection device more particularly to a kind of measurable VLC (Visible Light
Communication visible light communications) equip the detection device for emitting modulating performance.
Background technology
Visible light communication is wireless communication, one kind of optic communication, is to transmit information using " visible light " being visible with the naked eye
The communication technology of new generation.
VLC device modulation of source characteristic is to evaluate light source under the driving of predeterminated frequency electric signal, the frequency of optical signal response
Characteristic.Transmitting modulating performance parameter generally comprises：The indexs such as transmission bandwidth (transmission rate), working frequency, inband flatness.It passes
Defeated bandwidth is used for evaluating the ability that LED visible light communication product can transmit data.Emit modulation of source using dedicated VLC
Energy analyzer is tested, and using high linearity broadband visible ray modulation drive module driving VLC transmitting light sources, passes through high-speed light
Electrical resistivity survey examining system carries out the real-time acquisition of data, then is analyzed through data processing system and obtain spectral response information.
Invention content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of measurable VLC equipments transmitting modularity
The detection device of energy.
The purpose of this utility model is realized by following technical solution：
A kind of detection device of measurable VLC equipments transmitting modulating performance, including：Emit modulating performance analysis module, shine
Spend attenuation module, single axial movement control module, VLC assembling jigs to be measured and babinet；
The transmitting modulating performance analysis module includes Network Analyzer (205)；
The single axial movement control module includes screw stepper motor (208), screw guide rail (204) and sliding platform
(207)；The screw stepper motor (208) and screw guide rail (204) are separately mounted to the bottom of babinet；
The Network Analyzer (205) is on sliding platform (207)；
VLC equipment receivers are provided in the VLC assembling jigs to be measured, which equips receiver and connect by VLC equipments
Device bearing (202) is received on sliding platform.
Compared with prior art, one or more embodiments of the utility model can have the following advantages that：
VLC equipment transmitting modulating performances can be can measure, it is rational in infrastructure, highly practical, flexibility is good, working hour is saved, is carried
High Mechanical Moving precision improves accuracy of detection, substitutes manpower, greatly reduces cost.
Description of the drawings
Fig. 1 is the detection device overall structure figure that can measure VLC equipment transmitting modulating performances；
Fig. 2 is the detection device concrete structure diagram that can measure VLC equipment transmitting modulating performances.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with embodiment and attached drawing pair
The utility model embodiment is described in further detail.
As depicted in figs. 1 and 2, the detection device overall structure of modulating performance is emitted to can measure VLC equipments, including transmitting
Modulating performance analysis module, illumination attenuation module, single axial movement control module, VLC assembling jigs to be measured and babinet；
The transmitting modulating performance analysis module includes Network Analyzer 205；
The single axial movement control module includes screw stepper motor 208, screw guide rail 204 and sliding platform 208；It is described
Screw stepper motor 208 and screw guide rail 204 are separately mounted to the bottom of babinet；
The Network Analyzer 205 is mounted on sliding platform 207；
VLC equipment receivers are provided in the VLC assembling jigs to be measured, which equips receiver and connect by VLC equipments
Device bearing 202 is received to be mounted on sliding platform.
Above-mentioned Network Analyzer is fixed on sliding platform, is connected and fixed by bolt and nut, for detecting VLC equipment light
Source working band, inband flatness etc. emit modulating performance parameter.
Above-mentioned babinet includes touch screen 102, outer light barrier 101 and interior light barrier 201；The touch screen is embedded in outer light barrier
In, and pass through fixing piece and be fixed on outer light barrier, for control device, send operational order.
VLC equipment light source supports 206, VLC equipment light source supports 206 are additionally provided in above-mentioned VLC assembling jigs to be measured
Mounted on the bottom of babinet, for placing VLC equipment light sources.
Above-mentioned illumination attenuation module 203 is mounted on the side of interior light barrier 201, realizes VLC equipment light illumination attenuation.
The workflow of above-described embodiment is：
1. light source accessed Network Analyzer, open power supply, observation LED light whether normal luminous.
2. opening signal generation module provides signal source, and sets a relatively low frequency.
3. adjusting the position of LED light and VLC receiving devices, light is made to enter VLC receiving devices, and both adjust away from
From the gradual frequency for increasing signal source output signal.
4. recording the frequency values at -3dB moment, the modulation bandwidth of LED light to be measured is obtained.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of detection device of measurable VLC equipments transmitting modulating performance, which is characterized in that described device includes transmitting and modulates
Performance evaluation module, illumination attenuation module, single axial movement control module, VLC assembling jigs to be measured and babinet；
The transmitting modulating performance analysis module includes Network Analyzer (205)；
The single axial movement control module includes screw stepper motor (208), screw guide rail (204) and sliding platform (207)；Institute
It states screw stepper motor (208) and screw guide rail (204) is separately mounted to the bottom of babinet；
The Network Analyzer (205) is on sliding platform (207)；
VLC equipment receivers are provided in the VLC assembling jigs to be measured, VLC equipment receivers equip receiver by VLC
Bearing (202) is on sliding platform.
2. the detection device of measurable VLC equipments transmitting modulating performance as described in claim 1, which is characterized in that the case
Body includes touch screen (102), outer light barrier (101) and interior light barrier (201)；The touch screen is embedded in outer light barrier, and is led to
It crosses fixing piece and is fixed on outer light barrier.
3. the detection device of measurable VLC equipments transmitting modulating performance as described in claim 1, which is characterized in that described to treat
It surveys in VLC assembling jigs and is additionally provided with VLC equipment light source supports (206), VLC equipment light source supports (206) are mounted on babinet
Bottom, for place VLC equipment light source.
4. the detection device of measurable VLC equipments transmitting modulating performance as described in claim 1, which is characterized in that the photograph
Attenuation module (203) is spent mounted on the side of interior light barrier (201), realizes VLC equipment light illumination attenuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847429.XU CN207573361U (en) | 2017-12-26 | 2017-12-26 | A kind of detection device of measurable VLC equipments transmitting modulating performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847429.XU CN207573361U (en) | 2017-12-26 | 2017-12-26 | A kind of detection device of measurable VLC equipments transmitting modulating performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207573361U true CN207573361U (en) | 2018-07-03 |
Family
ID=62686262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847429.XU Expired - Fee Related CN207573361U (en) | 2017-12-26 | 2017-12-26 | A kind of detection device of measurable VLC equipments transmitting modulating performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207573361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943779A (en) * | 2019-12-24 | 2020-03-31 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Visible light communication equipment test system |
-
2017
- 2017-12-26 CN CN201721847429.XU patent/CN207573361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943779A (en) * | 2019-12-24 | 2020-03-31 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Visible light communication equipment test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20211226 |