WO2016167432A1

WO2016167432A1 - Portable light measurement device

Info

Publication number: WO2016167432A1
Application number: PCT/KR2015/011899
Authority: WO
Inventors: 유봉국
Original assignee: (주)지씨아이
Priority date: 2015-04-14
Filing date: 2015-11-06
Publication date: 2016-10-20
Also published as: KR101718138B1; KR20160122591A

Abstract

The present invention relates to a portable light measurement device comprising: a plurality of measurement modules having different measurement uses; and a platform provided with a mounting/demounting unit and, when a specific measurement module among the plurality of measurement modules is mounted, recognizing the type of mounted measurement module, and controlling an operation of the mounted measurement module in a control mode corresponding to the recognized type of measurement module, wherein the mounted measurement module receives an optical signal from an optical cable, to be measured, connected to the mounted measurement module and transmits the optical signal to the platform under the control of the platform, and the platform provides, to an external analysis terminal, measurement information corresponding to the received optical signal.

Description

Portable optical instrument

The present invention relates to a portable optical measuring instrument that provides a light source for optical state analysis or optical state analysis of an optical cable to be measured.

Due to the high speed of data service due to the rapid spread of the Internet, data traffic is increasing rapidly and various types of networks are emerging to accommodate this.

In view of this, in recent years, the use of the communication environment to meet the rapidly increasing data traffic and ultra-high speed by transmitting and receiving data in the form of optical signals through the optical path is increasing, the use of such communication environment is expected to increase further in the future.

In the communication environment using optical paths, since the optical paths are widely installed in the basement, indoors, and outdoors, it is very important to analyze the condition of the optical paths to find the obstacle section. Accordingly, various optical instruments such as an optical power meter and an optical time domain reflectometer (OTDR) for analyzing a state of an optical path are used.

Conventional photometers have limitations in cost reduction and size and weight reduction because they include all the functions for analyzing the state of the optical path, that is, the configuration of the driving, signal processing and analysis functions of the optical instrument. In addition, the measuring instrument is required to have an optical measuring device such as an optical power meter, OTDR, etc. for each measuring purpose, resulting in a cost burden, and at the same time, it is inconvenient to carry various measuring equipment.

Prior art literature

Patent Literature

(Patent Document 1) 1. Domestic Publication No. 2007-0104089

One of the problems to be solved by the present invention is to provide a portable optical measuring instrument that can measure the state of the measurement target optical cable by selectively mounting the measurement module on the platform according to the measurement purpose.

In another aspect, an object of the present invention is to provide a portable optical measuring instrument having a small size of a plurality of measurement modules by providing a control and signal processing configuration of the measurement module mounted on the platform.

Portable optical measuring device according to an embodiment of the present invention for achieving the above object, the measuring module of one of a plurality of measuring modules different from each other; And a detachable part, and stores a plurality of driving information corresponding to each of the types of the plurality of measuring modules, and when the one measuring module is mounted, recognizes the type of the mounted measuring module, And a platform for setting a control mode corresponding to a type, activating one drive information corresponding to the recognized type of the measurement module among the plurality of drive information, and controlling driving of the one measurement module. The measurement module receives an optical signal from a measurement target optical cable connected to the mounted measurement module and transmits the optical signal to the platform under the control of the platform, and the platform transmits the measurement information corresponding to the received optical signal to an external mobile device. to provide.

The platform may include a power supply unit for supplying power to the mounted measurement module when the measurement module is mounted to the removable unit; A memory storing a plurality of driving information corresponding to each type of the plurality of measurement modules; And receiving identification information from the measurement module supplied with the power, recognizing a type, setting a control mode corresponding to the recognized measurement module type, and corresponding to the recognized measurement module type among the plurality of driving information. It includes a control unit for activating the drive information of the control unit for controlling the driving of the one measurement module.

The platform further includes a signal processing unit for performing an optical signal processing using the drive information activated by the controller and making the result of the signal processing into a form that can be analyzed in the mobile and providing the signal to the mobile. Is information on at least one of wavelength and power of the optical signal.

The platform further includes an external matching unit for transmitting the result of the signal processing to the mobile, the mobile analyzes the transmitted measurement information to measure at least one of the failure section, power and wavelength of the measurement target cable. .

The plurality of measurement modules may include a memory for storing identification information of the corresponding measurement module; A matching unit receiving identification information output from the memory when power is supplied from the platform; An optical adapter for connecting an optical cable to be measured; And a measurement unit driven by the platform in a control mode corresponding to the identification information and measuring an optical signal received through the optical adapter according to a measurement purpose.

The plurality of measurement modules are a time-band optical reflectometer (OTDR), a DWDM analyzer, a CWDM analyzer, an optical power meter, a visible light laser (VFL), a light source, and the like.

As described above, according to the present invention, by using a plurality of measurement modules having different measurement uses that can be attached to and detached from a common platform, the platform can be selectively used according to the measurement use.

In addition, a configuration for controlling or driving a plurality of measurement modules and a configuration for signal processing may be provided in the platform, thereby reducing the size and weight of the entire optical measuring device as well as the removable measurement module. Accordingly, it may be easy to carry.

In addition, by analyzing the measurement information signal-processed in the platform on a mobile or the like to display the results, it is possible to reduce the unit cost of the portable optical measuring instrument. In addition, since only the corresponding module is operated according to the combined measurement module by using the measurement module of the function used when necessary, the battery consumption is lower than that of the conventional program in which the entire program of the portable optical instrument is operated at once, and it is possible to use a small memory. There is an effect that the hardware, such as.

1 is a view showing a portable photometer according to an embodiment of the present invention.

2 is a view showing a state in which the measurement module is detached from the portable photometer according to an embodiment of the present invention.

3 is a functional block diagram of a portable photometer according to an exemplary embodiment of the present invention.

4 is a functional block diagram of a portable photometer according to another exemplary embodiment of the present invention.

5 is a flowchart illustrating an operation of a platform in a portable photometer according to an exemplary embodiment of the present invention.

6 is a flowchart illustrating an operation of a measurement module mounted on a platform in a portable photometer according to an exemplary embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the drawings, similar reference numerals are used for similar elements. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be.

On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention.

Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art.

Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and are not construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, a portable optical measuring device according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings 1 to 6. The portable optical measuring device of the present invention can measure the optical state of the corresponding line by connecting the optical cable to be measured among the optical cables connected to the optical network. In the following description, descriptions of conventionally well-known matters are omitted or simplified to clarify the gist of the present invention.

1 is a view showing a portable photometer according to an embodiment of the present invention, Figure 2 is a view showing a state in which the measurement module is detached from the portable photometer according to an embodiment of the present invention.

1 and 2, the portable photometer 1000 according to an embodiment of the present invention includes a platform 100 and a measurement module 200, and the platform 100 and the measurement module 200 are detachable from each other. Or configured to be mountable.

In the portable photometer 1000, the platform 100 functions as a main body. For example, the platform 100 controls the operation of the measurement module 200 and processes the data received from the measurement module 200 to generate measurement information. In addition, the platform 100 supplies power to the measurement module 200 that the measurement module 200 can drive.

The measurement module 200 is configured to perform one specified function (eg, a measurement operation using light or an operation of supplying light on an optical path), and the platform 100 in a state of being mounted on the platform 100. It operates under the control of.

The measurement module 200 mounted on the platform 100 is one of a plurality of measurement modules 200a, 200b,..., 200n that perform different specified functions. The plurality of measurement modules 200a, 200b, 200n, etc. may be, for example, a time band optical reflection measurement module (OTDR module), a CWDM analysis module, a DWDM analysis module, an optical power meter module, a visible light laser (VFL) module, a light source (Light Source) module.

Here, in the case of the time band optical reflection measurement module or the optical power meter module, the optical fiber diagnostic module or the optical power meter module may be configured by dividing the wavelength band according to the difference in the wavelength band of the optical signal transmitted through the optical path. Even in the same time band light reflection measurement module or optical power meter module, the time band light reflection measurement module or optical power meter module having a different wavelength band is selectively mounted on the platform 100.

Accordingly, a measurer who intends to measure light using the portable optical meter 1000 may select and use a measurement module according to the purpose of use.

In response to the measurement module 200 exhibiting such different functions or operating characteristics (for example, differences in wavelength bands), the platform 100 processes a process corresponding to all of the mountable measurement modules 200, that is, an application program or an application. It is provided with a program and parameters, and activates and operates a processing process corresponding to the function or operation characteristics of the mounted measurement module 200.

On the other hand, if the portable optical measuring device 1000 according to an exemplary embodiment of the present invention requires a display such as a graph or statistical data, the portable optical measuring device 1000 may be displayed on the mobile by interworking with the mobile.

Hereinafter, a portable photometer according to a preferred embodiment of the present invention will be described in more detail with reference to FIGS. 3 and 4.

3 is a functional block diagram of a portable optical meter according to an exemplary embodiment of the present invention. According to FIG. 3, the portable photometer 1000 according to an embodiment of the present invention includes a platform 100 and a measurement module 200.

The platform 100 may include an internal matching unit 110, a control unit 120, a memory 130, a power supply unit 140, a signal processing unit 150, an external matching unit 160, and a detaching unit 170. have. The platform 100 may further include a display unit 180 optionally added by the manufacturer. In this case, the display unit 180 is a display device having a simple function of displaying a number or a letter, and may be, for example, a display device composed of seven segments or a plurality of LEDs.

The internal matching unit 110 is responsible for the interface with the internal matching unit 210 of the measurement module 200 and transmits and receives data signals such as a power signal, a control signal, and an optical signal between the platform 100 and the measurement module 200. To be able. At this time, the interface with the internal matching unit 210 of the measurement module 200 is one of the well-known techniques that can be performed between the two devices, such as a small form factor pluggable (SFP) method, USB method, RS232 method, UART method.

When the specific measurement module 200 is mounted, the controller 120 recognizes the type of the mounted measurement module 200, sets a control mode corresponding to the type of the measurement module 200, and stores the memory according to the set control mode. The signal processing unit 150 operates by using the activated driving information by activating driving information (processing process or processing processor and parameter) corresponding to the type of the measurement module 200 previously stored in the 130. In addition, the controller 120 controls the measurement module 200 according to the set control mode. For example, the controller 120 controls the measurement module 200 according to the OTDR control mode when the mounted measurement module 200 is OTDR, and measures the measurement module according to the optical power meter control mode when the measurement module 200 is an optical power meter. Control 200.

The memory 130 stores a plurality of driving information corresponding to each of the plurality of measurement modules 200a to 200c, and the driving information in which the signal processing unit 150 is activated by activating one driving information by the controller 120. Make available. In addition, the memory 130 stores information received from the mounted measurement module 200.

The power supply unit 140 supplies power to the measurement module 200 mounted and configured. The power supply device 140 may be a battery or a solar cell.

The signal processor 150 operates by using the driving information activated by the controller 120. When the optical signal is received from the measurement module 200, the signal processor 150 performs data processing based on the activated driving information. Calculate the measured value. In addition, the signal processing unit 150 provides the calculated measurement value to the mobile 300 when it is in a communication connection state with the mobile 300 by the external matching unit 160. Here, the measured value may be information on at least one of the wavelength and the power of the optical signal.

The external matching unit 160 operates under the control of the control unit 120, and the raw data or mutually promise the measured values obtained by the signal processing unit 150 in accordance with the matching protocol (for example, SOR ( Standard OTDR Record) file format) to the mobile 300. In this case, the external matching unit 160 may use a wired or wireless short-range communication protocol such as USB, Bluetooth, wifi, or the like, or may be connected to the earphone jack of the mobile 300 to transmit the measured value through UART communication.

The measurement module 200 may include an internal matching unit 210, a memory 220, an optical adapter 230, and a measurement unit 240.

The internal matching unit 210 is responsible for the interface with the internal matching unit 110 of the platform 100, and enables data transmission and reception between the platform 100 and the measurement module 200. At this time, the matching unit 210 of the measurement module may be provided with a plurality of ports for transmitting and receiving signals. The plurality of ports may be respective ports for receiving a power signal and a control signal supplied from the platform 100 and transmitting electrical signals corresponding to the identification information and the optical signal to the platform 100.

The internal matching unit 210 receives a power signal from the platform 100 and supplies the power signal to each component of the measurement module 200. When power is supplied to the memory 200, the platform 100 receives identification information (identification number or identification code) stored in the memory 220 of the measurement module 200 according to the control signal of the platform 100 through a corresponding port. Will print In this case, the identification information may be stored and output in various forms according to the number of measurement modules 200a to 200c detachable or mounted on the platform 100. For example, the identification information may be stored as binary bit values for different voltage values.

The optical adapter 230 of the measurement module 200 connects the measurement module 200 and the measurement target cable 10.

The measurement unit 240 measures the optical signal received from the measurement target cable 10 according to the purpose. Here, the detailed configuration of the measurement unit 240 of the plurality of measurement modules (200a to 200c) may be different depending on the measurement purpose. That is, when the measurement module is OTDR, the measurement unit 240 may be configured as an OTDR, and when the measurement module is an optical power meter, the measurement unit 240 may be configured as an optical power meter. However, the measurement unit 240 may be driven by the control unit 120 of the platform 100, and signal processing may be performed by the signal processing unit 150 of the platform 100. That is, the measurement unit 240 has a configuration for signal control or a configuration for the minimum control or driving.

The measurement unit 240 transmits the optical signal received through the optical adapter 230 to the platform 100 through the internal matching unit 210. In this case, the optical signal may be converted into a digital signal and output.

Mobile 300 refers to a terminal having a data communication function while being portable such as a smartphone, a tablet PC, a notebook, a PDA, and the like. The mobile 300 analyzes the transmitted measurement information, analyzes the failure section, the power and the wavelength of the optical cable (optical path), and displays the analyzed result with a GUI or the like. At this time, the mobile 300 must be provided with an application for analyzing the measurement information. By analyzing the measurement information signal processed in the platform on the smartphone 300 to display the result, it is possible to lower the unit cost of the portable optical measuring instrument.

Hereinafter, a portable photometer 1000 according to another exemplary embodiment of the present invention will be described with reference to FIG. 4. 4 is a functional block diagram of a portable photometer according to another exemplary embodiment of the present invention.

As illustrated in FIG. 4, the portable photometer 1000 according to another exemplary embodiment of the present invention has the same configuration as the portable photometer 1000 illustrated in FIG. 3. However, the portable photometer 1000 according to another exemplary embodiment of the present invention has a difference in using the light source unit 240a instead of the measurement unit 240 for the portable photometer 1000 illustrated in FIG. 3.

That is, the measurement unit 240 is a configuration in which the measurement module 200 is applied to a module that receives an optical signal as a module, such as an OTDR module, an optical power meter module, a CWDM analysis module, a DWDM analysis module, etc. This is applied to a visible light laser (VFL) module or a light source module that irradiates a light source such as a laser or an LED light with an optical cable. That is, the light source unit 240a performs a function of irradiating an optical cable with a laser beam or LED light under the control of the controller 120.

Hereinafter, the measurement part 240 and the light source part 240a are collectively called a measurement part.

Hereinafter, the operation of the platform in the portable photometer according to the preferred embodiment of the present invention with reference to FIGS. 5 and 6.

5 is a flowchart illustrating an operation of a platform in a portable photometer according to an exemplary embodiment of the present invention. On the other hand, in order to understand the description, it can be described with reference to Figs.

When the user mounts the specific measurement module 200 on the platform 100, the platform 100 detects the mounting of the specific measurement module 200 (S501) and supplies power to the mounted measurement module 200 ( S502).

Next, the measurement module 200 operates with the power provided by the platform 100 and provides its own unique identification information to the platform 100. Accordingly, the platform 100 receives identification information from the measurement module 200 (S503), and reads the received identification information to identify the type, that is, the type of the measurement module 200 (S504).

Then, the platform 100 sets a control mode corresponding to the type of the measurement module 200 identified (S505), and drives corresponding to the type of the measurement module 200 identified among the driving information stored in the memory 130. Activate the information (S506).

The platform 100 operates the measurement module 200 by outputting a control signal to the measurement module 200 according to the set control mode. In this case, when the measurement module 200 is an OTDR module or an optical power meter module, the optical module receives an optical signal and transmits the received optical signal to the platform.

However, when the measurement module 200 is a visible light laser (VFL) module or a light source module, no optical signal is received by the measurement module 200. In this case, the platform 100 controls the operation of the visible light laser module or the light source module to output the corresponding light source to the optical cable from the visible light laser module or the light source module.

If the optical signal is received from the measurement module 200 (S508), the platform 100 processes the optical signal by driving a signal processing processor corresponding to the type of the measurement module 200 through the signal processor 150 ( S509), the signal is processed and transmitted in a form that can be analyzed by the mobile 300 (S510).

Then, the mobile 300 receiving the measurement information may drive the measurement information analysis application provided to analyze the failure section, the power and the wavelength of the measurement target optical cable, and display the analyzed result with a GUI or the like.

On the other hand, if the result processed by the signal processor 150 simply displays the measured value, the controller 120 provides the result processed by the signal processor 150 to the display unit 180 to display the measured value numerically or letters. do.

6 is a flowchart illustrating an operation of a measurement module mounted on a platform in a portable photometer according to an exemplary embodiment of the present invention. On the other hand, in order to understand the description, it can be described with reference to Figs.

According to FIG. 6, when the measurement module 200 is mounted on the platform (S601), the measurement module 200 receives power from the platform 100 (S602). In addition, when the measurement module 200 is activated by the power supply, previously stored identification information is transmitted to the platform 100 (S603).

Next, when the measurement module 200 receives a control signal corresponding to the identification information from the platform 100, the measurement module 200 drives the measurement unit 240 or the light source unit 240 according to the control signal (S604). At this time, depending on the type of the measurement module, the configuration and operation of the measurement unit may be different.

Next, if the measurement module 200 is a module that receives an optical signal to the module, such as an OTDR module, an optical power meter module, a CWDM analysis module, a DWDM analysis module, the measurement module 200 corresponds to a control signal to measure the optical cable When receiving the optical signal through the (10) (S605), the received optical signal is photoelectrically converted and transmitted to the platform 100 (S606).

If the measurement module is a module that irradiates a light source such as a laser or LED light with an optical cable, such as a visible light laser (VFL) module or a light source module, the measurement module 200 controls the platform 100. According to the optical cable outputs the corresponding light source.

Next, the operation of the platform 100 receiving the optical signal is performed according to the flowchart of FIG. 5. On the other hand, when the specific measurement module 200a is removed from the platform 100, the function of the photometer is stopped or terminated.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

Explanation of the sign

1000: Portable Optical Meter

100: platform 200, 200a to 200c: measurement module

110, 210: internal matching unit 130, 220: memory

120: control unit 140: power supply unit

150: signal processing unit 160: external matching unit

170: removable part 10: optical cable

230: optical adapter 240: measurement unit

Claims

One measurement module of a plurality of measurement modules having different measurement applications; And

It is provided with a detachable part, and stores a plurality of driving information corresponding to each of the type of the plurality of measurement module, when the one measurement module is mounted, recognizes the type of the measurement module is mounted, the type of the measurement module recognized And a platform for setting a control mode corresponding to and activating one drive information corresponding to the recognized type of the measurement module among the plurality of drive information and controlling the driving of the one measurement module.

The mounted measuring module receives an optical signal from a measurement target optical cable connected to the mounted measuring module under control of the platform, and transmits the optical signal to the platform.

The platform is a portable optical meter, characterized in that for providing the measurement information corresponding to the received optical signal to an external mobile.
The method of claim 1,

The platform,

A power supply unit supplying power to the mounted measurement module when the measurement module is mounted to the removable unit;

A memory storing a plurality of driving information corresponding to each type of the plurality of measurement modules; And

Receives identification information from the measurement module supplied with power, recognizes a type, sets a control mode corresponding to the recognized measurement module type, and includes one corresponding to the recognized measurement module type among the plurality of driving information. And a control unit for activating driving information and controlling driving of the one measurement module.
The method of claim 2,

The platform,

The apparatus may further include a signal processor configured to perform optical signal processing using the driving information activated by the controller and to make the result of signal processing into a form that can be analyzed by the mobile and provide the same to the mobile.

And the result of the signal processing is information on at least one of wavelength and power of the optical signal.
The method of claim 1,

The platform,

Further comprising an external matching unit for transmitting the result of the signal processing to the mobile,

The mobile device analyzes the transmitted measurement information to measure at least one of a failure section, power and wavelength of the measurement target cable.
The method of claim 2,

The plurality of measurement modules,

A memory for storing identification information of the corresponding measurement module;

A matching unit receiving identification information output from the memory when power is supplied from the platform;

An optical adapter for connecting an optical cable to be measured; And

And a measurement unit driven by the platform in a control mode corresponding to the identification information and measuring an optical signal received through the optical adapter according to a measurement purpose.
The method according to any one of claims 1 to 5,

The plurality of measurement modules,

Portable light characterized by being an optical time domain reflectometer (OTDR module), CWDM analyzer, DWDM analyzer, optical power meter, Visual Fault Locator (VFL), Light Source, etc. Instrument.