Adjustable optical attenuator of photoelectric composite cable

Abstract

The invention relates to a variable optical attenuator of a photoelectric composite cable, and discloses the variable optical attenuator of the photoelectric composite cable, and the variable optical attenuator comprises a variable optical attenuation module which is used for adjusting optical attenuation; the voltage driving circuit module is electrically connected with the adjustable light attenuation module; the main control board module is electrically connected with the voltage driving circuit module, is provided with an Ethernet interface and supports a TCP / IP complete protocol stack; the power supply module is electrically connected with the voltage driving circuit module and the main control board module; the photoelectric composite cable flange module comprises an input flange and an output flange which are fixedly connected with each other, the conductive structure comprises an input conductive terminal, an output conductive terminal and a conductive wire, and the two ends of the conductive wire are electrically connected with the input conductive terminal and the output conductive terminal respectively. According to the invention, the conductive structure is arranged between the input flange and the output flange, so that the adjustable optical attenuation instrument can supply power to the terminal while dynamically adjusting the optical attenuation degree, the authenticity of a test environment is restored, and the error of an experimental result is reduced.

Description

Technical Field

[0001] The present application relates to an adjustable optical attenuator device for an optoelectronic composite cable, and in particular to an adjustable optical attenuator for an optoelectronic composite cable. Background Art

[0002] As a new type of transmission line in the broadband access network system, the optoelectronic composite cable integrates optical fiber and power transmission copper wire, effectively solving multiple problems of broadband access, equipment power consumption and signal transmission. However, in the actual test process, if attenuation needs to be introduced in the optoelectronic composite cable, it often faces the dilemma of power outage. This is because the current fiber optic flange design does not support the power transmission of the optoelectronic composite cable, and there is no dynamically adjustable attenuation instrument on the market that supports this type of composite optical cable.

[0003] In current testing practice, when it is necessary to introduce attenuation in an optoelectronic composite cable, a key technical challenge is faced: how to achieve attenuation of optical signals without interrupting power transmission. The existing fiber optic flange design does not support power transmission of optoelectronic composite cables, which results in the electrodes on both sides of the optoelectronic composite cable being unable to connect after being inserted because they are covered by the flange made of insulating material, thus causing power interruption to the terminal.

[0004] Especially in laboratory project testing, simulating the use of equipment under different light intensities in the existing network often requires frequent adjustment of optical attenuation. However, traditional adjustable optical attenuation instruments cannot support the power transmission of optoelectronic composite cables, resulting in the inability to supply power to the terminal during the test, which limits the authenticity of the test environment and may lead to deviations in experimental results. Summary of the invention

[0005] In order to solve the above technical problems, the present application provides an adjustable optical attenuator for an optoelectronic composite cable, which sets a conductive structure between the input flange and the output flange so that the adjustable optical attenuator can power the terminal while dynamically adjusting the optical attenuation, thereby restoring the authenticity of the test environment and reducing the error of the experimental results.

[0006] The present application provides an adjustable optical attenuator for an optoelectronic composite cable, which adopts the following technical solution:

[0007] An adjustable optical attenuator for an optoelectronic composite cable, comprising:

[0008] Adjustable light attenuation module, used to adjust light attenuation;

[0009] A voltage driving circuit module is electrically connected to the adjustable light attenuation module;

[0010] The main control board module is electrically connected to the voltage driving circuit module, has an Ethernet interface and supports a complete TCP / IP protocol stack;

[0011] A power module, electrically connected to the voltage driving circuit module and the main control board module, for providing power;

[0012] The optical-electric composite cable flange module comprises an input flange and an output flange which are fixedly connected to each other and are used to connect an input line of the optical-electric composite cable and an output line of the optical-electric composite cable respectively; and

[0013] The conductive structure includes an input conductive terminal arranged on the inner wall of the input flange, an output conductive terminal arranged on the inner wall of the output flange, and a conductive wire used to connect the input conductive terminal and the output conductive terminal. The input conductive terminal is used to electrically connect to the input wire of the optoelectronic composite cable, and the output conductive terminal is used to electrically connect to the output wire of the optoelectronic composite cable. Both ends of the conductive wire are electrically connected to the input conductive terminal and the output conductive terminal respectively.

[0014] Preferably, the outside of the conductive wire is wrapped with an insulating layer.

[0015] Preferably, the number of the conductive structures is two, and the two conductive structures are respectively located on both sides of the composite cable flange module.

[0016] Preferably, the main control board module has a built-in attenuation setting function, which determines the required output pulse width modulation PWM signal quantity through a table lookup method, and guides the voltage driving circuit module to output a voltage value to the adjustable light attenuation module, and the adjustable light attenuation module generates corresponding light attenuation based on the voltage value.

[0017] In summary, this application includes the following beneficial technical effects:

[0018] 1. This application sets a conductive structure between the input flange and the output flange, so that the adjustable optical attenuation instrument can power the terminal while dynamically adjusting the optical attenuation, thereby restoring the authenticity of the test environment and reducing the error of the experimental results.

[0019] 2. The present application utilizes a conductive wire to electrically connect the input conductive terminal on the input flange with the output conductive terminal on the output flange, and utilizes the input conductive terminal to electrically connect the input line on the optoelectronic composite cable, and utilizes the output conductive terminal to electrically connect the output line on the optoelectronic composite cable, thereby completing the electrical connection between the input line and the output line of the optoelectronic composite cable, so that while dynamically adjusting the optical attenuation, the normal power supply function of the optoelectronic hybrid cable to the terminal device is not affected.

[0020] 3. The present application provides good insulation performance for the conductive wire by wrapping an insulating layer on the outside of the conductive wire, thereby improving the safety of electrical use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a system diagram of the adjustable optical attenuator of the optoelectronic composite cable in the embodiment of the present application.

[0022] Figure 2 It is a structural schematic diagram of the optoelectronic composite cable flange module and the conductive structure in the embodiment of the present application.

[0023] Figure 3 yes Figure 2 main view.

[0024] Explanation of the accompanying drawings: 1. adjustable optical attenuation module; 2. voltage driving circuit module; 3. main control board module; 4. power supply module; 5. optoelectronic composite cable flange module; 51. input flange; 52. output flange; 6. conductive structure; 61. input conductive terminal; 62. output conductive terminal; 63. conductive wire; 64. insulating layer. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with the accompanying drawings.

[0026] The embodiment of the present application discloses an adjustable optical attenuator of an optoelectronic composite cable.

[0027] Reference Figure 1 The adjustable optical attenuator of the optoelectronic composite cable includes an adjustable optical attenuation module 1, a voltage driving circuit module 2, a main control board module 3, a power module 4, an optoelectronic composite cable flange module 5 and a conductive structure 6.

[0028] The adjustable optical attenuation module 1 is referred to as VOA for short. The adjustable optical attenuation module 1 is used to adjust the optical attenuation. Pin 1 and pin 2 of the adjustable optical attenuation module 1 are respectively connected to the VCC positive voltage and the GND pin of the voltage driving circuit.

[0029] Reference Figure 1 , the voltage driving circuit module 2, the voltage driving circuit module 2 is electrically connected to the adjustable optical attenuation module 1, specifically, the voltage output end of the voltage driving circuit module 2 is electrically connected to the adjustable optical attenuation module 1, and the voltage input end of the voltage driving circuit module 2 is connected to the power output end of the power module 4.

[0030] In addition, the pulse width modulation PWM signal input terminal and the GND ground terminal of the voltage driving circuit module 2 are electrically connected to the PWM signal output pin and the GND pin of the main control board module 3 respectively.

[0031] Reference Figure 1, the main control board module 3 is designed with an Ethernet interface and supports the complete TCP / IP protocol stack, and the main control board module 3 is integrated with a Bluetooth function. The main control board module 3 is electrically connected to the voltage driving circuit module 2, the pulse width modulation PWM signal output pin of the main control board module 3 is connected to the PWM signal input end of the voltage driving circuit module 2, and the GND pin is connected to the GND end of the voltage driving circuit module 2. The main control board module 3 realizes network communication through the Ethernet interface, and the Bluetooth function is used to transmit data with other Bluetooth devices.

[0032] The main control board module 3 has a built-in attenuation setting function, which determines the required output pulse width modulation PWM signal quantity through a table lookup method, and guides the voltage driving circuit module 2 to output a voltage value to the adjustable light attenuation module 1. The adjustable light attenuation module 1 generates corresponding light attenuation based on the voltage value.

[0033] The main control board module 3 is also equipped with an IP address configuration interface, through which the tester can easily set the IP address of the device, which is convenient for subsequent network connection and remote management.

[0034] The main control board module 3 is also equipped with an MQTT configuration interface. MQTT is a message queue telemetry transmission. Through this MQTT configuration interface, testers can set the MQTT Broker and configuration topics in this interface to achieve seamless connection between the device and the MQTT server.

[0035] The main control board module 3 is also configured with a current status display interface, through which key information such as current attenuation can be intuitively displayed, making it convenient for testers to monitor the device status in real time.

[0036] The main control board module 3 is also configured with an attenuation configuration interface, through which the tester can set the attenuation parameters in this interface to achieve accurate configuration of the attenuation value.

[0037] The main control board module 3 is also equipped with an attenuation configuration interface and JSON data submission. Through the attenuation configuration interface, the user can submit JSON data containing attenuation settings through this HTTP interface. After receiving the data, the main control board module 3 calls the attenuation setting function to achieve dynamic adjustment of the attenuation value.

[0038] The main control board module 3 is also configured with MQTT topic monitoring and attenuation settings. After successfully connecting to the MQTT Broker, the main control board module 3 continues to monitor the specific attenuation setting topic. Once a topic message is received, the main control board module 3 parses the JSON data in the message, extracts the required attenuation value, and calls the attenuation setting function to make corresponding adjustments.

[0039] The main control board module 3 is also equipped with iBeacon function implementation and status information broadcast. In order to facilitate testers to view the device status, the main control board module 3 implements the low-power Bluetooth beacon iBeacon function. iBeacon continuously sends Bluetooth signals containing information such as the device MAC address, UUID and 31-byte string in broadcast mode. Among them, the 31-byte string is used to carry key information such as the current board's IP address and current attenuation. Testers can receive and parse iBeacon information through a mobile phone with a specific APP installed to obtain the device status in real time.

[0040] The main control board module 3 realizes status information broadcasting by configuring the iBeacon function, and uses Bluetooth iBeacon technology to broadcast the status information of the optical attenuator, so that the tester can directly receive and display this information through the dedicated APP on his mobile phone, thereby realizing real-time visualization of the status without increasing the hardware cost.

[0041] The main control board module 3 outputs different PWM signals, and the voltage driving circuit module 2 can linearly output a voltage value within a corresponding range, and the voltage value range is determined by the specific requirements of the adjustable optical attenuation module 1 .

[0042] The power supply module 4 is used to supply power to the adjustable light attenuation module 1 , the voltage driving circuit module 2 and the main control board module 3 .

[0043] The optical-electric composite cable flange module 5 comprises an input flange 51 and an output flange 52 which are fixedly connected to each other. The input flange 51 is used to connect the input line of the optical-electric composite cable, and the output flange 52 is used to connect the output line of the optical-electric composite cable. The input flange 51 and the output flange 52 are overlapped and fixedly connected to each other.

[0044] The conductive structure 6 includes an input conductive terminal 61 arranged on the inner wall of the input flange 51, an output conductive terminal 62 arranged on the inner wall of the output flange 52, and a conductive wire 63 used to connect the input conductive terminal 61 and the output conductive terminal 62. The input conductive terminal 61 is used to electrically connect to the input line of the optoelectronic composite cable, and the output conductive terminal 62 is used to electrically connect to the output line of the optoelectronic composite cable. The two ends of the conductive wire 63 pass through the input flange 51 and the output flange 52 respectively, and are electrically connected to the input conductive terminal 61 and the output conductive terminal 62 respectively.

[0045] In order to achieve better electrical connection between the optoelectronic composite cable input line and the optoelectronic composite cable output line, there are two conductive structures 6 , which are respectively located on both sides of the optoelectronic composite cable flange module 5 .

[0046] Specifically, two input electrodes are provided on the optoelectronic composite cable input line. During assembly, when the optoelectronic composite cable input line is inserted into the input flange 51, the input conductive terminal 61 is inserted between the two input electrodes to complete electrical connection between the input conductive terminal 61 and the two input electrodes.

[0047] The output line of the optoelectronic composite cable is provided with two output electrodes. During assembly, when the output line of the optoelectronic composite cable is inserted into the output flange 52, the output conductive terminal 62 is inserted between the two output electrodes to complete the electrical connection between the output conductive terminal 62 and the two output electrodes.

[0048] Furthermore, the outside of the conductive wire 63 is also wrapped with an insulating layer 64, and the insulating layer 64 completely covers the outside of the conductive wire 63 to ensure electrical safety and insulation performance.

[0049] The rear end of the input flange 51 of the optoelectronic composite cable flange module 5 is connected to the optical fiber input end of the adjustable optical attenuation module 1 , and the rear end of the output flange 52 is connected to the optical fiber output end.

[0050] The method of using the adjustable optical attenuator of the optoelectronic composite cable in this embodiment is as follows:

[0051] The power supply module 4 supplies power to the voltage driving circuit module 2, the main control board module 3 and the adjustable light attenuation module 1. The built-in attenuation setting function of the main control board module 3 determines the required output PWM signal amount through a table lookup method, and guides the voltage driving circuit module 2 to output different voltage values ​​to the adjustable light attenuation module 1 through specific pins. When the adjustable light attenuation module 1 receives different voltage values, it adjusts to the corresponding light attenuation according to the received voltage value. The tester can observe the current light attenuation information through the current status display interface configured by the main control board module 3, and adjust the corresponding parameter settings through the attenuation configuration page, thereby realizing the precise adjustment configuration of the attenuation value of the light attenuation.

[0052] Compared with the traditional attenuator configured by serial port, the present invention innovatively adopts Ethernet port as the configuration interface. In practical applications, traditional serial ports often need to install drivers and match RS232 line sequence, which is cumbersome and inconvenient to operate. However, the present invention adopts the main control board module 3 with Ethernet port, and the user only needs to use ordinary network cable to control the instrument without paying attention to the cable line sequence problem, which greatly improves the convenience of use. In addition, the introduction of Ethernet interface also enables the instrument to be remotely controlled through the network, further broadening the application scenarios and flexibility.

[0053] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An adjustable optical attenuator for an optoelectronic composite cable, characterized in that: include: Adjustable light attenuation module, used to adjust light attenuation; A voltage driving circuit module is electrically connected to the adjustable light attenuation module; The main control board module is electrically connected to the voltage driving circuit module, has an Ethernet interface and supports a complete TCP / IP protocol stack; A power module, electrically connected to the voltage driving circuit module and the main control board module, for providing power; The optical-electric composite cable flange module comprises an input flange and an output flange which are fixedly connected to each other and are used to connect an input line of the optical-electric composite cable and an output line of the optical-electric composite cable respectively; as well as The conductive structure includes an input conductive terminal arranged on the inner wall of the input flange, an output conductive terminal arranged on the inner wall of the output flange, and a conductive wire used to connect the input conductive terminal and the output conductive terminal. The input conductive terminal is used to electrically connect to the input wire of the optoelectronic composite cable, and the output conductive terminal is used to electrically connect to the output wire of the optoelectronic composite cable. Both ends of the conductive wire are electrically connected to the input conductive terminal and the output conductive terminal respectively.

2. The adjustable optical attenuator of the optoelectronic composite cable according to claim 1, characterized in that: The outside of the conductive wire is wrapped with an insulating layer.

3. The adjustable optical attenuator of the optoelectronic composite cable according to claim 1, characterized in that: There are two conductive structures, which are respectively located on both sides of the composite cable flange module.

4. The adjustable optical attenuator of the optoelectronic composite cable according to claim 1, characterized in that: The main control board module has a built-in attenuation setting function, which determines the required output pulse width modulation PWM signal quantity through a table lookup method, and guides the voltage driving circuit module to output a voltage value to the adjustable light attenuation module, and the adjustable light attenuation module generates corresponding light attenuation based on the voltage value.

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