A kind of distributed cable partial discharge detection communication device based on light synchronization output

Abstract

The application discloses a kind of distributed cable partial discharge detection communication devices based on light synchronization output, it is related to power system cable insulation state detection technical field.The device includes: integrated optical synchronization module and communication module;Communication module includes: wireless communication module and optical fiber communication module;Optical synchronization module is connected with communication module;Communication module is connected with the partial discharge detection module outside world;Optical synchronization module is used to output light synchronization signal according to input control instruction;Communication module is used to transmit light synchronization signal to the partial discharge detection module outside world.The application aims at simply and quickly providing light synchronization signal and communication upload function for distributed cable partial discharge detection.

Description

Technical Field

[0001] This application relates to the field of power system cable insulation condition detection technology, and in particular to a distributed cable partial discharge detection communication device based on optical synchronous output. Background Technology

[0002] Cross-linked polyethylene (XLPE) cables are widely used in power grid systems, and their insulation performance directly affects the safe operation of the power grid. Currently, distributed partial discharge detection systems can perform real-time monitoring and evaluation of cable insulation performance, helping to promptly eliminate potential safety hazards and maintain the reliable operation of the power grid.

[0003] In existing technologies, distributed partial discharge detection of cables typically consists of multiple detection devices, with each device collecting data which is then uploaded to a host computer via a communication device. The uploading method of these communication devices is limited and cannot meet the needs of multi-site applications. Furthermore, synchronous signal acquisition from multiple detection devices requires additional synchronization devices to achieve data synchronization, increasing the workload for maintenance personnel. Utility Model Content

[0004] The purpose of this application is to provide a distributed cable partial discharge detection and communication device based on optical synchronization output, which can easily and quickly provide optical synchronization signals and communication upload functions for distributed cable partial discharge detection.

[0005] To achieve the above objectives, this application provides the following solution:

[0006] In a first aspect, this application provides a distributed cable partial discharge detection and communication device based on optical synchronization output, comprising: an integrated optical synchronization module and a communication module; the communication module includes: a wireless communication module and an optical fiber communication module;

[0007] The optical synchronization module is connected to the communication module; the communication module is connected to an external partial discharge detection module.

[0008] The optical synchronization module is used to output an optical synchronization signal according to the input control command;

[0009] The communication module is used to transmit the optical synchronization signal to the external partial discharge detection module.

[0010] In one embodiment, the wireless communication module is a 4G communication module;

[0011] The 4G communication module includes: a 4G antenna, a 4G antenna interface, and a 4G data receiving module;

[0012] The 4G antenna interface is connected to the 4G antenna; the 4G antenna is connected to the 4G data receiving module;

[0013] The 4G data receiving module is used for data communication transmission.

[0014] In one embodiment, the optical fiber communication module includes: an optical fiber communication interface and an optical fiber module;

[0015] The internal interface of the optical fiber communication interface is connected to the optical fiber module; the external interface of the optical fiber communication interface uses optical fiber communication to cascade multiple external partial discharge detection modules.

[0016] In one embodiment, the distributed cable partial discharge detection and communication device based on optical synchronization output further includes: a power supply module;

[0017] The power supply module is connected to both the optical synchronization module and the communication module.

[0018] The power supply module is used to supply power.

[0019] In one embodiment, the distributed cable partial discharge detection and communication device based on optical synchronization output further includes: a shielded enclosure and a panel;

[0020] The integrated optical synchronization module and communication module are housed inside the shielded enclosure;

[0021] The 4G antenna interface serves as the 4G antenna interface of the panel; the optical fiber communication interface serves as the optical fiber communication interface of the panel.

[0022] In one embodiment, the shielding enclosure is a metal shielding enclosure to filter out interference signals in the detection environment.

[0023] In one embodiment, the panel further includes: a network port and a charging port;

[0024] The network port is connected to the optical fiber communication module; the charging port is connected to the power supply module. In one embodiment, the optical synchronization module includes: a signal conditioning module, a resistor, an optical pulse triggering module, a first capacitor, a second capacitor, and a third capacitor;

[0025] The signal conditioning module is connected to one end of the first capacitor; the other end of the first capacitor is grounded; the signal conditioning module is also connected to one end of the resistor; the other end of the resistor is connected to one end of the third capacitor; one end of the third capacitor is also connected to the optical pulse triggering module; the other end of the third capacitor is grounded.

[0026] One end of the second capacitor is grounded; the other end of the second capacitor is connected to the optical pulse triggering module.

[0027] In one embodiment, the signal conditioning module includes: a first GND pin, a second GND pin, a first VCC pin, a second VCC pin, and an output pin;

[0028] Both the first GND pin and the second GND pin are grounded; both the first VCC pin and the second VCC pin are connected to the power supply VCC; both the first VCC pin and the second VCC pin are also connected to one end of the first capacitor; the output pin is connected to one end of the resistor.

[0029] In one embodiment, the optical pulse triggering module includes: a third GND pin, a fourth GND pin, a third VCC pin, a fourth VCC pin, and a pulse signal pin;

[0030] Both the third GND pin and the fourth GND pin are grounded; both the third VCC pin and the fourth VCC pin are connected to the power supply VCC; both the third VCC pin and the fourth VCC pin are also connected to the other end of the second capacitor.

[0031] The pulse signal pin is connected to one end of the third capacitor.

[0032] According to the specific embodiments provided in this application, the following technical effects are disclosed:

[0033] This application provides a distributed cable partial discharge detection communication device based on optical synchronization output. The device includes: an integrated optical synchronization module and a communication module; the communication module includes: a wireless communication module and a fiber optic communication module; the optical synchronization module is connected to the communication module; the communication module is connected to an external partial discharge detection module; the optical synchronization module outputs an optical synchronization signal according to input control commands; the communication module transmits the optical synchronization signal to the external partial discharge detection module. Because the device provided in this application consists of an integrated optical synchronization module and a communication module, it is easy to operate. Furthermore, the communication module includes both a wireless communication module and a fiber optic communication module, overcoming the problem of existing solutions having only a single data upload method and not meeting the needs of multi-site applications. In addition, due to the presence of the optical synchronization module, the device can achieve synchronous acquisition without adding an additional synchronization device. Therefore, this application can easily and quickly provide optical synchronization signals and communication upload functions for distributed cable partial discharge detection. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a structural diagram of the distributed cable partial discharge detection and communication device based on optical synchronous output according to this application;

[0036] Figure 2 This is a schematic diagram of the communication device panel of this application;

[0037] Figure 3 This is a diagram of the internal structure of the communication device in this application;

[0038] Figure 4 This is a schematic diagram of the optical synchronization circuit of the communication device in this application.

[0039] Figure label:

[0040] 4G antenna interface-1, fiber optic communication interface-2, optical synchronization output port-3, network port-4, power switch-5 and charging port-6, fiber optic communication module-7, 4G data receiving module-8, control module-9, optical synchronization module-10, power supply module-11. Detailed Implementation

[0041] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0042] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] In one exemplary embodiment, such as Figure 1 As shown, a distributed cable partial discharge detection and communication device based on optical synchronization output is provided. The device includes an integrated optical synchronization module and a communication module. The communication module includes a wireless communication module and an optical fiber communication module. The device, composed of the integrated optical synchronization module and communication module, has dimensions of 30cm in length, 20cm in width, and 10cm-15cm in thickness, making it compact and portable.

[0044] The optical synchronization module is connected to the communication module; the communication module is connected to an external partial discharge detection module; the optical synchronization module outputs an optical synchronization signal according to the input control command; the communication module transmits the optical synchronization signal to the external partial discharge detection module. The partial discharge detection module uses the optical synchronization signal to achieve synchronous acquisition of distributed cable partial discharge detection.

[0045] The wireless communication module adopts a 4G communication module; the 4G communication module includes: a 4G antenna, a 4G antenna interface, and a 4G data receiving module.

[0046] The 4G antenna interface connects to the 4G antenna; the 4G antenna connects to the 4G data receiving module; the 4G data receiving module is used for data communication transmission.

[0047] The fiber optic communication module includes: a fiber optic communication interface and a fiber optic module; the internal interface of the fiber optic communication interface is connected to the fiber optic module; the external interface of the fiber optic communication interface uses fiber optic communication to cascade multiple external partial discharge detection modules.

[0048] In one embodiment, the distributed cable partial discharge detection and communication device based on optical synchronization output further includes: a power supply module; the power supply module is connected to both the optical synchronization module and the communication module; the power supply module is used to supply power.

[0049] The distributed cable partial discharge detection and communication device based on optical synchronous output also includes: a shielded enclosure and a panel.

[0050] The integrated optical synchronization module and communication module are housed within a shielded enclosure; the 4G antenna interface serves as the 4G antenna interface on the panel; and the fiber optic communication interface serves as the fiber optic communication interface on the panel.

[0051] The shielded enclosure is made of metal to filter out interference signals in the testing environment.

[0052] The panel also includes: a network port and a charging port; the network port is connected to the fiber optic communication module; the charging port is connected to the power supply module.

[0053] The optical synchronization module includes: a signal conditioning module, a resistor, an optical pulse triggering module, a first capacitor, a second capacitor, and a third capacitor.

[0054] The signal conditioning module is connected to one end of the first capacitor; the other end of the first capacitor is grounded; the signal conditioning module is also connected to one end of a resistor; the other end of the resistor is connected to one end of a third capacitor; one end of the third capacitor is also connected to the optical pulse triggering module; the other end of the third capacitor is grounded.

[0055] One end of the second capacitor is grounded; the other end of the second capacitor is connected to the optical pulse triggering module.

[0056] The signal conditioning module includes: a first GND pin, a second GND pin, a first VCC pin, a second VCC pin, and an output pin.

[0057] Both the first GND pin and the second GND pin are grounded; both the first VCC pin and the second VCC pin are connected to the power supply VCC; both the first VCC pin and the second VCC pin are also connected to one end of the first capacitor; the output pin is connected to one end of the resistor.

[0058] The optical pulse triggering module includes: a third GND pin, a fourth GND pin, a third VCC pin, a fourth VCC pin, and a pulse signal pin.

[0059] Both the third and fourth GND pins are grounded; the third and fourth VCC pins are connected to the power supply VCC; both the third and fourth VCC pins are also connected to the other end of the second capacitor; the pulse signal pin is connected to one end of the third capacitor.

[0060] Specifically, in order to solve the problems existing in the prior art, this application provides a distributed cable partial discharge detection communication device based on optical synchronization output. For different cable detection environments, it can provide optical synchronization signals and realize data upload function for the distributed cable partial discharge detection equipment on site without adding other detection equipment.

[0061] This application relates to a distributed cable partial discharge detection and communication device based on optical synchronization output, the interface of which includes an optical synchronization output port, a 4G antenna interface, an optical fiber communication interface, a network port, a charging port, and a power switch. The optical synchronization output port outputs an optical synchronization signal.

[0062] The 4G antenna interface is used to connect a 4G antenna, which is connected to the internal 4G data receiving module of the device. The 4G data receiving module realizes data communication using the 4G communication method through the wireless 4G network.

[0063] The internal interface of the fiber optic communication interface is connected to the fiber optic communication module, and the external interface is cascaded with a distributed cable partial discharge detection device (partial discharge detection module) that uses fiber optic communication to achieve data communication.

[0064] The network port is externally connected to the host computer, and internally connected to the network port of the fiber optic communication module. Meanwhile, the other network ports of the fiber optic communication module are connected to the network ports of the control module, the optical synchronization module, and the 4G data receiving module, respectively, thereby realizing data communication of all distributed cable partial discharge detection devices and the control of the host computer on the optical synchronization signal output of the communication devices.

[0065] The device is powered by an internal battery and is equipped with a battery charging interface.

[0066] This application enables data upload from the detection device for distributed cable partial discharge detection using different communication methods, such as 4G network or fiber optic communication, thus meeting the communication needs of different detection devices.

[0067] It can output an optical synchronization signal, providing synchronous acquisition signals for multiple distributed cable partial discharge detection devices. The output optical synchronization signal is a pulse signal, and its amplitude meets the synchronous acquisition trigger signal requirements of the distributed cable partial discharge detection devices. No additional synchronization devices are needed on-site to provide the required synchronization pulse signal for the distributed cable partial discharge detection devices. The device provided in this application has a simple structure and is easy to operate.

[0068] Figure 2 This is a schematic diagram of a distributed cable partial discharge detection and communication device panel based on optical synchronous output, which includes a 4G antenna interface 1, an optical fiber communication interface 2, an optical synchronous output port 3, a network port 4, a power switch 5, and a charging port 6.

[0069] like Figure 3 The device includes an optical fiber communication module 7, a 4G data receiving module 8, a control module 9, an optical synchronization module 10, and a power supply module 11. Specifically, the network port of the optical fiber communication module 7 is connected to the network ports of the 4G data receiving module 8, the control module 9, and the optical synchronization module 10, respectively. The power output of the power supply module 11 is connected to the power input of the optical fiber communication module 7, the 4G data receiving module 8, the control module 9, and the optical synchronization module 10, thereby providing power to each module.

[0070] The fiber optic communication module 7 has its fiber optic output port connected to the panel fiber optic communication interface 2. The network port output of the fiber optic communication module 7 is connected to the panel network port 4. At the same time, the other network port output of the fiber optic communication module 7 is connected to the network port of the 4G data receiving module 8. The output antenna port of the 4G data receiving module 8 is connected to the panel 4G antenna interface 1. The output port of the control module 9 is electrically connected to the control port of the optical synchronization module 10. The optical synchronization output port of the optical synchronization module 10 is connected to the panel optical synchronization output port 3. The power supply module 11 is connected to the panel power switch 5 and the charging port 6.

[0071] Fiber optic communication module 7 is used to achieve fiber optic communication with the distributed cable partial discharge detection device. 4G data receiving module 8 is used to receive data from the distributed cable partial discharge detection device using 4G communication for data upload. Control module 9 is used to control the output of the optical synchronization module to generate the optical synchronization signal. Optical synchronization module 10 is used to generate the optical synchronization signal required by the distributed cable partial discharge detection device. Power supply module 11 supplies power to all internal modules. All modules are housed in a shielded enclosure inside the communication device, and the outputs of each module are connected to the corresponding interfaces on the panel via lead wires. The device has a simple internal structure and complete functions. Its metal shielded enclosure effectively filters out interference signals from the on-site detection environment.

[0072] like Figure 4 The diagram shows the schematic of the optical synchronization circuit of a distributed cable partial discharge detection and communication device based on optical synchronization output. The optical synchronization module 10 consists of a signal conditioning module U1, a resistor R1, a capacitor C3, and an optical pulse triggering module U2.

[0073] The first GND pin, which is pin 1 of the signal conditioning module U1, and the second GND pin (pin 2 of the signal conditioning module U1) are both grounded; the first VCC pin (pin 7 of the signal conditioning module U1) and the second VCC pin (pin 8 of the signal conditioning module U1) are both connected to the power supply VCC; the first VCC pin and the second VCC pin are also connected to one end of the first capacitor C1.

[0074] The third GND pin (pin 1 of the optical pulse trigger module U2) and the fourth GND pin (pin 2 of the optical pulse trigger module U2) are both grounded; the third VCC pin (pin 3 of the optical pulse trigger module U2) and the fourth VCC pin (pin 4 of the optical pulse trigger module U2) are connected to the power supply VCC; the third VCC pin and the fourth VCC pin are also connected to the other end of the second capacitor C2; the pulse signal pin (pin 5 of the optical pulse trigger module U2) is connected to one end of the third capacitor C3.

[0075] Pin 6 of the signal conditioning module U1, which is the output pin, is electrically connected to resistor R1. Pin 4 of the signal conditioning module U1 is electrically connected to control module 9. Resistor R1 is electrically connected to capacitor C3. Simultaneously, the common terminal of resistor R1 and capacitor C3 is electrically connected to pin 5 of the optical pulse trigger module U2, which is the pulse signal pin PUL. Pin 6 of the optical pulse trigger module U2 is connected to the panel optical synchronization output port 3. Control module 9 controls the output signal of signal conditioning module U1. The output signal is converted into a pulse signal by resistor R1 and capacitor C3. This pulse signal is then converted into an optical pulse trigger signal by optical pulse trigger module U2 and connected to the panel optical synchronization output port to achieve the optical synchronization signal required by the distributed cable partial discharge detection device.

[0076] The device provided in this application integrates an optical fiber communication module, a 4G data receiving module, a control module, an optical synchronization module, and a power supply module. The device adopts a metal shielding structure, has a simple structural design, and is easy to operate. It can meet the data communication requirements of a distributed cable partial discharge detection device that uses multiple communication methods. The device can effectively output an optical synchronization signal to meet the synchronous acquisition requirements of the distributed cable partial discharge detection device.

[0077] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0078] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the device and its core ideas. Furthermore, those skilled in the art will recognize that, based on the ideas of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A distributed cable partial discharge detection and communication device based on optical synchronous output, characterized in that, The distributed cable partial discharge detection and communication device based on optical synchronization output includes: an integrated optical synchronization module and a communication module; the communication module includes: a wireless communication module and an optical fiber communication module. The optical synchronization module is connected to the communication module; the communication module is connected to an external partial discharge detection module. The optical synchronization module is used to output an optical synchronization signal according to the input control command; The communication module is used to transmit the optical synchronization signal to the external partial discharge detection module.

2. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 1, characterized in that, The wireless communication module adopts a 4G communication module; The 4G communication module includes: a 4G antenna, a 4G antenna interface, and a 4G data receiving module; The 4G antenna interface is connected to the 4G antenna; the 4G antenna is connected to the 4G data receiving module; The 4G data receiving module is used for data communication transmission.

3. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 2, characterized in that, The optical fiber communication module includes: an optical fiber communication interface and an optical fiber module; The internal interface of the optical fiber communication interface is connected to the optical fiber module; the external interface of the optical fiber communication interface uses optical fiber communication to cascade multiple external partial discharge detection modules.

4. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 3, characterized in that, The distributed cable partial discharge detection and communication device based on optical synchronous output further includes: a power supply module; The power supply module is connected to both the optical synchronization module and the communication module. The power supply module is used to supply power.

5. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 4, characterized in that, The distributed cable partial discharge detection and communication device based on optical synchronous output also includes: a shielded enclosure and a panel; The integrated optical synchronization module and communication module are housed inside the shielded enclosure; The 4G antenna interface serves as the 4G antenna interface of the panel; the optical fiber communication interface serves as the optical fiber communication interface of the panel.

6. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 5, characterized in that, The shielding enclosure is made of metal to filter out interference signals in the detection environment.

7. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 5, characterized in that, The panel also includes: a network port and a charging port; The network port is connected to the optical fiber communication module; the charging port is connected to the power supply module.

8. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 1, characterized in that, The optical synchronization module includes: a signal conditioning module, a resistor, an optical pulse triggering module, a first capacitor, a second capacitor, and a third capacitor; The signal conditioning module is connected to one end of the first capacitor; the other end of the first capacitor is grounded; the signal conditioning module is also connected to one end of the resistor; the other end of the resistor is connected to one end of the third capacitor; one end of the third capacitor is also connected to the optical pulse triggering module; the other end of the third capacitor is grounded. One end of the second capacitor is grounded; the other end of the second capacitor is connected to the optical pulse triggering module.

9. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 8, characterized in that, The signal conditioning module includes: a first GND pin, a second GND pin, a first VCC pin, a second VCC pin, and an output pin; Both the first GND pin and the second GND pin are grounded; both the first VCC pin and the second VCC pin are connected to the power supply VCC; both the first VCC pin and the second VCC pin are also connected to one end of the first capacitor; the output pin is connected to one end of the resistor.

10. The distributed cable partial discharge detection and communication device based on optical synchronous output according to claim 8, characterized in that, The optical pulse triggering module includes: a third GND pin, a fourth GND pin, a third VCC pin, a fourth VCC pin, and a pulse signal pin; Both the third GND pin and the fourth GND pin are grounded; both the third VCC pin and the fourth VCC pin are connected to the power supply VCC; both the third VCC pin and the fourth VCC pin are also connected to the other end of the second capacitor. The pulse signal pin is connected to one end of the third capacitor.

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