CN1661940A - Photodetection device - Google Patents
Photodetection device Download PDFInfo
- Publication number
- CN1661940A CN1661940A CN 200410007010 CN200410007010A CN1661940A CN 1661940 A CN1661940 A CN 1661940A CN 200410007010 CN200410007010 CN 200410007010 CN 200410007010 A CN200410007010 A CN 200410007010A CN 1661940 A CN1661940 A CN 1661940A
- Authority
- CN
- China
- Prior art keywords
- light
- comparing unit
- light signal
- detection device
- optical detection
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
Optical detection device in use for receiving an optical signal sent from an optical transceiver module includes an optical detection sub module, a control circuit and a display module. Optical detection sub module includes a light detector in use for detecting optical signal and generating a first electric signal based on optical power of the optical signal. The control circuit includes a comparing unit and driving unit. The comparing unit is connected to the light detector and the driving unit electrically. A display module controlled by the control circuit includes a first display element. Based on selected first electric signal, the comparing unit determines whether optical power of the optical signal is accorded with specification of first transmission state in communication transmission standard; if yes, the comparing unit starts the driving unit, which starts the first display element.
Description
Technical field
The present invention is relevant for a kind of checkout gear, and particularly relevant for a kind of optical detection device.
Background technology
When the internet was in fashion, the demand of frequency range hurriedly increased with day.Optical fiber has the characteristic of wideband.Therefore, fiber optic network little by little becomes the main flow of wideband service market.
Fiber optic network must cooperate optical transceiver module just can finish transmitting terminal and receiving terminal between the signal transmission.Optical transceiver module comprises optical transmitter and optical receiver.Optical transmitter is arranged on transmitting terminal, in order to light signal is imported in the fiber optic network.Optical receiver is arranged on receiving terminal, in order to receive the light signal in the fiber optic network.Therefore, in optical fiber communication, whether optical transceiver module can normally send or receiving optical signals is the important indicator that signal transmits success or not.
A kind of at present common device in order to the transmission state that detects optical transceiver module is a light power meter.Yet, as the user with light power meter as checkout gear, when detecting the light receipts light signal that module sent or received, and can't be directly by the result that light power meter detected, the transmission state of learning optical transceiver module is the monomode fiber short-distance transmission (2-15km) of ITU-T (International Telecommunication Union-TelecommunicationStandardization Sector) and IEEE (Institute of Electrical andElectronics Engineers) institute's standard, middle distance transmission (15-40km), or the transmission state of long Distance Transmission (40-60km).
The shown result of light power meter can only allow the user learn the luminous power of the light signal that optical transceiver module sends or receives.The user must just can judge the transmission state of optical transceiver module with the mode or the relevant photoelectricity knowledge of utilization of tabling look-up after the luminous power of learning the light signal that optical transceiver module sends or receives.Therefore, the inconvenience that causes the user to use.
In addition, when the user desires to judge that in the mode of tabling look-up the shown optical power value of light power meter corresponds to which kind of transmission state of optical transceiver module, must carry the table of comparisons of optical power value and transmission state.Thus, will certainly increase user's burden.
Moreover, when the user does not have the table of comparisons of optical power value and transmission state on hand, just must possess relevant photoelectricity knowledge, could judge the light signal that optical transceiver module sends or receives, correspond to which kind of transmission state by the shown optical power value of light power meter.That is to say that under the situation that does not have the optical power value and the transmission state table of comparisons, the user must have relevant photoelectricity knowledge, otherwise just can't learn the transmission state of optical transceiver module.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of optical detection device exactly, when user's desire detects the transmission state of the light signal that optical transceiver module sent or received, as long as allow the light joint of optical transceiver module be connected with the light adapter sleeve of optical detection device, just can directly be learnt the transmission range of light signal by the light-emitting diode of different colours, so, the present invention can improve the convenience in the use, and have easy and simple to handle, easy to carry and reduce the advantage of user's financial burden.
According to purpose of the present invention, a kind of optical detection device is proposed, comprise a smooth detection sub-module (receiver optical subassemblies), a control circuit and a display module.The light detection sub-module comprises a photodetector, in order to sensed light signal, and produces one first signal of telecommunication according to the luminous power of light signal.Control circuit comprises a comparing unit and a driver element.Comparing unit is electrically connected with photodetector and driver element respectively.Display module is controlled by control circuit.Display module comprises one first display element.When the luminous power of optionally judging light signal according to first signal of telecommunication when comparing unit accorded with one first transmission state, comparing unit starting driver element was so that driver element starts first display element.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail as follows:
Fig. 1 represents the schematic diagram according to a kind of optical detection device of a preferred embodiment of the present invention;
Fig. 2 A represents the exploded view according to the light detection sub-module of the optical detection device of preferred embodiment of the present invention;
Fig. 2 B represent according to the light detection sub-module of Fig. 2 A in conjunction with the time schematic diagram;
Fig. 3 represents the calcspar according to the optical detection device of preferred embodiment of the present invention; And
Schematic diagram when Fig. 4 represents that the optical detection device according to preferred embodiment of the present invention is connected with the light calling module.
The drawing reference numeral explanation
100: optical detection device
102: shell
110: the light detection sub-module
112: the light adapter sleeve
114: skull
115: photodetector
120: light detects diode
125: the transfer impedance amplifier
138: circuit board
140: control circuit
145: comparing unit
150: driver element
160: the capability correction unit
180: display module
185: the first display elements
190: the second display elements
195: the three display elements
400: the light calling module
410: the first smooth joints
420: optical patchcord
430: the second smooth joints
Embodiment
Please refer to Fig. 1, its expression is according to the schematic diagram of a kind of optical detection device of a preferred embodiment of the present invention.Optical detection device 100 is in order to detect the light signal that a smooth calling module (being not shown among Fig. 1) is sent.The optical detection device 100 of present embodiment uses the transmission range of a control circuit to judge that light signal was suitable for.Optical detection device 100 comprises a shell 102, one smooth detection sub-module 110, a control circuit 140 and a display module 180.Control circuit 140 is arranged on the circuit board 138, and is preferably disposed in the shell 102, and display module 180 is preferably disposed on the shell 102.
Please be simultaneously with reference to Fig. 1 and Fig. 2 A-2B.Fig. 2 A represents the exploded view according to the light detection sub-module of the optical detection device of preferred embodiment of the present invention.Fig. 2 B be Fig. 2 A the light detection sub-module in conjunction with the time schematic diagram.Light detection sub-module 110 comprises a smooth adapter sleeve 112 and a photodetector 115.Photodetector 115 comprises that preferably a light detects diode (positive intrinsic negative diode) 120, one transfer impedance amplifier (trans-impedance amplifier) 125 and one skull 114.Light adapter sleeve 112 preferably is fixed on the photodetector 115 with viscose, shown in Fig. 2 B.In addition, the light adapter sleeve 112 of light detection sub-module 110 preferably forms a smooth joint with shell 102, so that the light joint of light calling module can directly be connected with the light joint of optical detection device.
Please refer to Fig. 3, its expression is according to the calcspar of the optical detection device of preferred embodiment of the present invention.The photodetector 115 of light detection sub-module 110 is connected with light adapter sleeve 112.Light detects diode 120 and is electrically connected with transfer impedance amplifier 125.Light detects diode 120 in order to light signal OPS is converted to one first photoelectric current signal of telecommunication S1.Transfer impedance amplifier 125 is in order to amplifying the first photoelectric current signal of telecommunication S1, and exports the second voltage signal S2.The photodetector 115 of present embodiment also can be replaced by other assembly that can produce the corresponding second voltage signal S2 according to the luminous power of light signal OPS.
Control circuit 140 comprises a comparing unit 145 and a driver element 150.Comparing unit 145 includes a capability correction unit 160.Comparing unit 145 is electrically connected with transfer impedance amplifier 125 and driver element 150 respectively.The capability correction unit provides different capability correction values according to this light signal for long wavelength or short wavelength.Wherein, comparing unit 145 preferably includes a switch module, and the user can be switched this switch module for long wavelength or short wavelength according to light signal OPS.The capability correction unit provides different capability correction values according to the state of this switch module, so that the second voltage signal S2 is proofreaied and correct.
Comparing unit 145 comes to compare with a first threshold voltage TH1 and one second threshold voltage TH2 according to the second voltage signal S2, to judge the transmission state of light signal OPS.Wherein, the value of first threshold voltage TH1 is less than the value of the second threshold voltage TH2.
Display module 180 is electrically connected with driver element 150.Display module 180 comprises one first display element 185, one second display element 190 and one the 3rd display element 195.First display element 185 is the light-emitting diode of one first color, and second display element 190 is the light-emitting diode of one second color, and the 3rd display element 195 is the light-emitting diode of one the 3rd color.The display module 180 of present embodiment also can include only a display element, and this single display element preferably is applicable to short-distance transmission in order to display light signal OPS.
Driver element 150 starts the display element of different colours according to the comparative result of comparing unit 145, with applicable which kind of transmission state of display light signal OPS.For instance, when the voltage of the second voltage signal S2 during less than first threshold voltage TH1, the luminous power of expression light signal OPS meets the luminous power that the short-distance transmission of communications prescribed by standard is exported, at this moment, comparing unit 145 starting driver elements 150 are so that driver element 150 startings first display element 185.
In addition, when the voltage of the second voltage signal S2 during between the first threshold voltage TH1 and the second threshold voltage TH2, the middle distance that the luminous power of expression light signal OPS meets the communications prescribed by standard transmits the luminous power of being exported, at this moment, comparing unit 145 starting driver elements 150 are so that driver element 150 startings second display element 190.
Moreover, when the voltage of the second voltage signal S2 during greater than the second threshold voltage TH2, the luminous power of expression light signal OPS meets the luminous power that the long Distance Transmission of communications prescribed by standard is exported, at this moment, comparing unit 145 starting driver elements 150 are so that driver element 150 startings the 3rd display element 190.
As shown in the above description, the detection mode of the optical detection device 100 of present embodiment is converted to the second voltage signal S2 by photodetector 115 with light signal OPS earlier.Then, come the second voltage signal S2 is handled by control circuit 140 again, with learn light signal OPS be applicable to short, in, which kind of transmission range in the long distance.At last, display module 180 is respectively with the diode displaying light signal OPS transmission range applicatory of different colours.
Please be simultaneously with reference to Fig. 3 and Fig. 4.Schematic diagram when Fig. 4 represents that the optical detection device according to preferred embodiment of the present invention is connected with the light calling module.Light calling module 400 has one first smooth joint 410, an optical patchcord 420 and one second smooth joint 430.Optical patchcord 420 is in order to connect the first smooth joint 410 and the second smooth joint 430.Light calling module 400 sends light signal OPS via the second smooth joint 430.
When the second smooth joint 430 when light adapter sleeve 112 on being arranged on optical detection device 100 is connected, the light signal OPS that 100 pairs second smooth joints 430 of optical detection device are sent detects, learning which kind of transmission range light signal OPS is suitable for, and the result that will detect is presented on the display module 180.Present embodiment is that example explains with light adapter sleeve 112, yet the present invention is not limited to the light joint that makes with light adapter sleeve 112 forms, gets final product so long as can receive the light signal connector of the light signal OPS that is sent by light calling module 400.In addition, present embodiment is that example explains with light calling module 400, yet the present invention also can be applicable to optical transceiver module.
Compare with traditional optical detection device, when user's desire detects the transmission state of the light signal that the light calling module sent, as long as allow the light joint of light calling module be connected, just can directly learn the transmission range of light signal by the light-emitting diode of different colours with the light adapter sleeve of optical detection device of the present invention.The user no longer needs to carry the table of comparisons of optical power value and transmission state, more need not possess relevant photoelectricity knowledge, as long as judge that what person of light-emitting diode of different colours on the optical detection device is lighted, just can learn the transmission state of the light signal that the light calling module is exported.The present invention can improve the convenience in the use, and has advantages of simple operation.
In addition, the spare part of the optical detection device of present embodiment is obtained easy and cheap, and its cost is about tens of units.The optical detection device of present embodiment is compared with the light power meter of tens thousand of units of tradition, has the higher market competitiveness.Moreover the volume of the optical detection device of present embodiment is minimum, about 1cm * 1.5cm * 3cm.Therefore, the optical detection device of present embodiment has more advantage easy to carry.
In sum; though the present invention with a preferred embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; under the situation that does not break away from the spirit and scope of the present invention; can carry out various changes and modification, so protection scope of the present invention is as the criterion when looking the claim restricted portion that is proposed.
Claims (11)
1. optical detection device, in order to receive the light signal that a smooth calling module is sent, this optical detection device comprises:
One smooth detection sub-module, this light detection sub-module comprises a photodetector, in order to detecting this light signal, and produces one first signal of telecommunication according to the luminous power of this light signal;
One control circuit, this control circuit comprise a comparing unit and a driver element, and this comparing unit is electrically connected with this photodetector and this driver element respectively;
One display module is controlled by this control circuit, and this display module comprises one first display element;
Wherein, when the luminous power of optionally judging this light signal according to this first signal of telecommunication when this comparing unit met one first transmission state, this comparing unit started this driver element, so that this driver element starts this first display element.
2. optical detection device as claimed in claim 1, wherein this photodetector comprises that a light detects diode.
3. optical detection device as claimed in claim 1, wherein this photodetector comprises that a light detects a diode and a transfer impedance amplifier, this light detects diode and is electrically connected with this transfer impedance amplifier, this light detects diode in order to this light signal is converted to one second signal of telecommunication, this transfer impedance amplifier is in order to amplifying this second signal of telecommunication, and exports this first signal of telecommunication.
4. optical detection device as claimed in claim 1, wherein this display module also comprises one second display element, when the luminous power of optionally judging this light signal according to this first signal of telecommunication when this comparing unit meets one second transmission state, this comparing unit starts this driver element, so that this driver element starts this second display element.
5. optical detection device as claimed in claim 4, this first display element light-emitting diode that is one first color wherein, this second display element is the light-emitting diode of one second color.
6. optical detection device as claimed in claim 4, wherein this display module also comprises one the 3rd display element, when the luminous power of optionally judging this light signal according to this first signal of telecommunication when this comparing unit meets the regulation of one the 3rd transmission state, this comparing unit starts this driver element, so that this driver element starts the 3rd display element.
7. optical detection device as claimed in claim 6, wherein this first transmission state, this second transmission state and the 3rd transmission state meet the regulation of a communications standard, and wherein this communications standard is ITU-T or IEEE.
8. optical detection device as claimed in claim 1, wherein this comparing unit also comprises:
One capability correction unit, in order to proofreading and correct this first signal of telecommunication, this capability correction unit provides different capability correction values according to this light signal for long wavelength or short wavelength;
Wherein, when the luminous power of judging this light signal according to this first signal of telecommunication when this comparing unit met the regulation of this first transmission state of this communications standard, this comparing unit started this driver element, so that this driver element starts this first display element.
9. optical detection device as claimed in claim 8, wherein this display module also comprises one second display element and one the 3rd display element, when the luminous power of judging this light signal according to this first signal of telecommunication when this comparing unit meets one second transmission state, this comparing unit starts this driver element, so that this driver element starts this second display element, when the luminous power of judging this light signal according to this first signal of telecommunication when this comparing unit meets one the 3rd transmission state, this comparing unit starts this driver element, so that this driver element starts the 3rd display element.
10. optical detection device as claimed in claim 1, wherein this light calling module has one first light signal connector, this light detection sub-module also comprises one second light signal connector, when this first light signal connector of this calling module was connected with this second light signal connector, this photodetector detected this light signal that sends from this first light signal connector.
11. optical detection device as claimed in claim 10, wherein this optical detection device also comprises a shell, in order to coat this control circuit, this display module is arranged on this shell, this second light signal connector of this light detection sub-module exposes on this shell, so that this first light signal connector can directly be connected with this second light signal connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410007010 CN1661940A (en) | 2004-02-24 | 2004-02-24 | Photodetection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410007010 CN1661940A (en) | 2004-02-24 | 2004-02-24 | Photodetection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1661940A true CN1661940A (en) | 2005-08-31 |
Family
ID=35011042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410007010 Pending CN1661940A (en) | 2004-02-24 | 2004-02-24 | Photodetection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1661940A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447511A (en) * | 2010-10-14 | 2012-05-09 | 中国电信股份有限公司 | Light path tester |
| CN104485989A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Automatic check system for optical fiber links of intelligent substations |
| CN109547097A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | A kind of optical signal launcher monitoring luminous intensity |
| CN113162686A (en) * | 2021-04-25 | 2021-07-23 | 广东亿源通科技股份有限公司 | Optical signal detection system and detection method thereof |
-
2004
- 2004-02-24 CN CN 200410007010 patent/CN1661940A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447511A (en) * | 2010-10-14 | 2012-05-09 | 中国电信股份有限公司 | Light path tester |
| CN102447511B (en) * | 2010-10-14 | 2015-05-13 | 中国电信股份有限公司 | Light path tester |
| CN104485989A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Automatic check system for optical fiber links of intelligent substations |
| CN104485989B (en) * | 2014-12-05 | 2017-07-18 | 国家电网公司 | A kind of intelligent substation optical fiber link automatic checker |
| CN109547097A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | A kind of optical signal launcher monitoring luminous intensity |
| CN113162686A (en) * | 2021-04-25 | 2021-07-23 | 广东亿源通科技股份有限公司 | Optical signal detection system and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6755575B2 (en) | Self powered data communication optical fiber cable extender | |
| US8965218B2 (en) | Method of visible light communication using illuminance sensor and mobile communication terminal for the same | |
| US8200097B2 (en) | Optoelectronic module form-factor adapter | |
| US10454575B2 (en) | Fiber recognition method, optical line terminal, and recognition system | |
| CN107517080B (en) | Optical power detection method, device, equipment and optical module | |
| WO2011046396A2 (en) | Apparatus and method for channel aggregation and guard channel indication for visible light communication | |
| WO2007037122A1 (en) | Optical communication device, optical communication method and optical communication system | |
| WO2010128829A2 (en) | Apparatus and method for generating visible signal according to amount of data transmission in visible light communication system | |
| JPH11121104A (en) | Plug jack type photoelectric shared transmission device | |
| CN1930806A (en) | Portable telephone terminal with visible light transmitter/receiver | |
| CN1864353A (en) | Dual channel optical communication link | |
| CN111181646A (en) | Communication line and communication system | |
| CN1661940A (en) | Photodetection device | |
| US20210091857A1 (en) | Hybrid system with aoc and aec and optical transceiver system thereof | |
| CN205430253U (en) | Low rate DC~20Mbps receives and dispatches integrative SFP optical module | |
| CN102916746A (en) | Passive optical network and optical network unit optical module thereof | |
| US20140072300A1 (en) | Network device of optical network terminal and method of adjusting power of optical signals | |
| US11381321B2 (en) | Optical power supply system | |
| CN105846903A (en) | Low-speed rate DC-20Mbps receiving-transmitting integrated SFP optical module | |
| WO2013169012A1 (en) | Control of illumination having multiple light sources | |
| CN101211329B (en) | Serial port connecting circuit | |
| US20110142454A1 (en) | Optical transmission and reception control apparatus | |
| TWI234357B (en) | Optical detection device | |
| CN207218705U (en) | A kind of USB Type C signal long distance transmitters | |
| KR101379968B1 (en) | Apparatus, system and method for communicating data using light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |