CN212623636U - B code time synchronization equipment and transformer substation equipment - Google Patents
B code time synchronization equipment and transformer substation equipment Download PDFInfo
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- CN212623636U CN212623636U CN202021708357.2U CN202021708357U CN212623636U CN 212623636 U CN212623636 U CN 212623636U CN 202021708357 U CN202021708357 U CN 202021708357U CN 212623636 U CN212623636 U CN 212623636U
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Abstract
The utility model provides a B sign indicating number time synchronization equipment, include: the receiving module is used for receiving time service data; the processing module is connected with the receiving module and is used for decoding the effective time service data to generate B code data; the optical B code output module is connected with the processing module and is used for performing optical conversion on the B code data and outputting B code data in an optical format; the electric B code output module is connected with the processing module and is used for electrically converting the B code data and outputting B code data in an electric format; and the PPS output module is connected with the processing module and is used for synchronously outputting PPS synchronous pulse signals when B code data is output. The utility model provides a B sign indicating number time to equipment provides multiple B sign indicating number output format, and the time service function is complete, and the volume is less, low cost, and relatively independent.
Description
Technical Field
The utility model relates to an automation equipment time to technical field, in particular to B sign indicating number time to equipment and substation equipment.
Background
In the field of modern communication and control, clock synchronization is one of the key factors for normal work and stable operation of a system, and high-precision clocks are required in various fields such as hospitals, scientific research units, aerospace, weaponry, transportation and the like.
With the development of the power internet of things, the precision and synchronization of clocks in power dispatching, transformer substations, power distribution stations, power plants, production control and the like have very high requirements. In the power industry, the clock is mainly received and synchronized through the IRIG-B code. The IRIG time code sequence is a time information transmission system proposed and commonly used by the range instrument group (IRIG) under the U.S. department of defense. The time code sequence is divided into G, A, B, E, H, D coding formats, the most widely used is the IRIG-B format, called B code for short, and the outstanding advantage is that time synchronization signals and time code information such as second, minute, hour, day and the like are loaded into a signal carrier with the frequency of 1kHz, and the signal carrier commonly used in the existing transformer substation is a twisted pair with the physical signal of RS-422 level.
The B code time synchronization is used as a main time synchronization mode of the power system, and in a plurality of large-scale control and communication systems, corresponding time synchronization units are independent or integrated. However, these time setting unit devices are usually relatively large in size, such as 19-inch 1U/2U cabinet equipment, which is expensive to manufacture and expensive to add.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a B code time synchronization device, which provides multiple B code output formats, and has complete time service function, small volume, low cost, and relative independence, and can be used as an independent time service unit, and also can be conveniently integrated into an original system to increase the time service function, and also can be used as a time service source for system debugging and other applications, thereby satisfying the time service requirement and avoiding purchasing an expensive time service device.
The utility model discloses a technical scheme do, a B sign indicating number to time equipment, include:
the receiving module is used for receiving time service data;
the processing module is connected with the receiving module and is used for decoding the effective time service data to generate B code data;
the optical B code output module is connected with the processing module and is used for performing optical conversion on the B code data and outputting B code data in an optical format;
the electric B code output module is connected with the processing module and is used for electrically converting the B code data and outputting B code data in an electric format;
and the PPS output module is connected with the processing module and is used for synchronously outputting PPS synchronous pulse signals when B code data is output.
By last, the utility model provides a B sign indicating number is equipment to time is through receiving the time service data to decode the processing to effectual time service data, the arrangement carries out light conversion or electric conversion output for the data of B sign indicating number format, provides multiple B sign indicating number output format. The utility model discloses a volume is less, low cost, and the time service function is complete, and relatively independent, can regard as independent time service unit, also can be through the original system of transmission interface connection to convenient integration is to original system, increases the time service function, also can regard as the time service source to be used for applications such as system debugging, satisfies the most demand of time service.
The improved power supply device is further improved by comprising a power supply conversion module which is respectively connected with the receiving module and the processing module and provides working voltage for the receiving module and the processing module.
Preferably, the power conversion module includes a power interface and/or a USB interface.
By last, this power conversion module adopts 5V power interface power supply, also can supply power from the USB mouth of other equipment through the USB interface, need not set up the power in addition again, convenient to use.
Preferably, the receiving module comprises a GPS/beidou receiving module connected to the processing module, and the GPS/beidou receiving module receives the time service data through an antenna.
Therefore, the GPS/Beidou receiving module can be selected according to the requirements of the practical application environment, and the receiving of time service data is realized by matching with the antenna.
Preferably, the optical B code output module includes an optical conversion module and an optical B code transmitting interface connected to the optical conversion module, and the optical conversion module is connected to the processing module.
Preferably, the electrical B code output module includes an electrical conversion module and an electrical B code transmitting interface connected thereto, and the electrical conversion module is connected to the processing module.
Preferably, the PPS output module includes a PPS transmitting interface, connected to the processing module, and transmits a PPS synchronization pulse signal while transmitting the B code data.
Therefore, the B code data output by the processing module can be subjected to optical conversion or electrical conversion through the optical conversion module or the electrical conversion module, and the optical B code or the electrical B code is output through the corresponding emission interface. Meanwhile, a PPS transmitting interface is also arranged, and the PPS synchronous pulse signals can be transmitted while the B code data is transmitted.
Preferably, the receiving module transmits the time service data to the processing module through a UART bus and a PPS bus.
Preferably, the processing module comprises:
the analysis module is connected with the receiving module, judges the effectiveness of the received time service data and analyzes the effective time service data;
the arrangement module is connected with the analysis module and is used for arranging the analyzed effective time service data to generate B code data;
and the driving module is connected with the sorting module and drives the light B code output module, the electric B code output module and the PPS output module which are respectively connected to correspondingly output B code data in an optical format, B code data in an electric format and PPS synchronous pulse signals.
Therefore, the B code time synchronization equipment can be applied to substation equipment of a power system to realize B code time synchronization of power supply of a power grid.
Drawings
Fig. 1 is a schematic diagram of the B code time synchronization device of the present invention;
FIG. 2 is a schematic diagram of a processing module of the present invention;
fig. 3 is a schematic diagram of an embodiment of the B code time synchronization device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a B code time synchronization device, which comprises a receiving module 100, a processing module 200, an optical B code output module 300, an optical B code output module 400, a PPS output module 500, a power conversion module 600, a power conversion module, a power;
the receiving module 100 is configured to receive time service data and transmit the time service data to the processing module 200, where the processing module 200 determines validity of the time service data, discards invalid data, decodes valid time service data, generates data in a B-code format by sorting, drives the connected optical B-code output module 300 to perform optical conversion on B-code data, and outputs B-code data in the optical format; driving an electrical B code output module 400 to electrically convert the B code data and output B code data in an electrical format; driving the PPS output module 500 to synchronously output PPS synchronous pulse signals when B code data is output;
according to the requirements of an application environment, the receiving module 100 can select a GPS/beidou receiving module to ensure that high-precision space-based clock time service data is received;
as shown in fig. 2, the processing module 200 includes an analysis module 210, a sorting module 220 and a driving module 230, which are connected in sequence, wherein the analysis module 210 is connected to the receiving module 100, and is configured to perform validity judgment on the received time service data and analyze the valid time service data; the sorting module 220 is connected with the analysis module 210, and sorts the analyzed effective time service data to generate B code data; the driving module 230 is connected to the sorting module 220, and drives the connected optical B code output module 300, optical B code output module 400, and PPS output module 500 to output optical B code data, electrical B code data, and PPS synchronization pulse signals.
In the embodiment of the present invention, the processing module 200 can be configured according to actual requirements, and generally, the decoding operation in this scheme can be satisfied by selecting a low-cost ARM processor or 51 single-chip microcomputer;
the optical B code output module 300 includes an optical conversion module and an optical B code transmitting interface connected to the optical conversion module, the optical conversion module is connected to the driving module 230, the electrical B code output module 400 includes an electrical conversion module and an electrical B code transmitting interface connected to the electrical conversion module, the electrical conversion module is connected to the driving module 230, and the PPS output module 500 includes a PPS transmitting interface directly connected to the driving module 230, so as to realize conversion and output of the optical B code or the electrical B code, and transmit a PPS synchronization pulse signal while outputting the B code.
Fig. 3 is a schematic diagram of an embodiment of the B-code time synchronization device of the present invention, in this embodiment, the B-code time synchronization device includes:
the GPS/Beidou receiving module receives time service data sent by a satellite through an antenna and sends the time service data to the MCU module through the UART bus and the PPS bus for processing;
the MCU module judges the validity of the time service data, after discarding invalid data, decodes the valid time service data according to a built-in decoding program, arranges and generates data in a B code format, and then drives a transmitting interface connected with the rear end to transmit;
in order to meet the use requirements of the existing equipment, the present embodiment is configured with three output modules, which are respectively an optical conversion module and an optical B code transmitting interface, where the optical conversion module is connected to the MCU module to convert the B code data into an optical B code signal for transmission; the electric conversion module is connected with the MCU module to convert the B code data into an electric B code signal for transmission; the PPS transmitting interface is directly connected with the MCU module and can realize synchronous transmission of PPS synchronous pulse signals when B code signals are transmitted;
in this embodiment, the B code time synchronization device is further provided with a power conversion module, which provides working voltage for the GPS/beidou receiving module and the MCU module, respectively, and the power conversion module is configured with a DC5V interface and a USB interface, which can realize direct power supply of a 5V power supply, and can also supply power from USB interfaces of various devices or a computer host through a USB data line in the absence of a power supply, thereby facilitating use.
The utility model discloses B sign indicating number is as follows to the theory of operation of time equipment: receiving time service data sent by a satellite through the GPS/Beidou receiving module, transmitting the time service data to the MCU module for judging the validity of the data, and discarding invalid data;
the MCU module is used for decoding the effective time service data, arranging and generating data in a B code format, and driving an optical B code transmitting interface, an electric B code transmitting interface and a PPS transmitting interface at the rear end to output;
the output B-code data comprises an optical B-code signal, an electrical B-code signal and a PPS synchronization pulse signal.
To sum up, the utility model provides a B sign indicating number is to time equipment adopts simple structural design, and the volume is less, low cost, and the time service function is complete, and relatively independent, can be in order to regard as independent time service equipment, also can be through the original system of transmission interface connection to convenient integration is to original system in, for example transformer substation, distribution substation etc. increase the time service function, also can regard as the time service source to be used for applications such as system debugging, satisfies the demand of time service, avoids purchasing expensive time service device.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A B-code synchronization device, comprising:
the receiving module is used for receiving time service data;
the processing module is connected with the receiving module and is used for decoding the effective time service data to generate B code data;
the optical B code output module is connected with the processing module and is used for performing optical conversion on the B code data and outputting B code data in an optical format;
the electric B code output module is connected with the processing module and is used for electrically converting the B code data and outputting B code data in an electric format;
and the PPS output module is connected with the processing module and is used for synchronously outputting PPS synchronous pulse signals when B code data is output.
2. The B-code synchronization device according to claim 1, further comprising a power conversion module, respectively connected to the receiving module and the processing module, for providing operating voltage to the receiving module and the processing module.
3. The B-code synchronization device according to claim 2, wherein the power conversion module comprises a power interface and/or a USB interface.
4. The B-code time synchronization device according to claim 1, wherein the receiving module comprises a GPS/Beidou receiving module, the GPS/Beidou receiving module is connected with the processing module, and the GPS/Beidou receiving module receives the time service data through an antenna.
5. The B-code synchronization device according to claim 1, wherein the optical B-code output module includes an optical conversion module and an optical B-code transmitting interface, and the optical conversion module is connected to the processing module.
6. The B code synchronization device according to claim 1, wherein the electrical B code output module comprises an electrical conversion module and an electrical B code transmitting interface, and the electrical conversion module is connected with the processing module.
7. The device for setting time of B-code according to claim 1, wherein the PPS output module comprises a PPS transmission interface, connected to the processing module, and transmitting PPS synchronization pulse signals while transmitting the B-code data.
8. The B-code synchronization device according to claim 1, wherein the receiving module transmits the time service data to the processing module through a UART bus and a PPS bus.
9. The B-code synchronization device according to claim 1, wherein the processing module comprises:
the analysis module is connected with the receiving module, judges the effectiveness of the received time service data and analyzes the effective time service data;
the arrangement module is connected with the analysis module and is used for arranging the analyzed effective time service data to generate B code data;
and the driving module is connected with the sorting module and drives the light B code output module, the electric B code output module and the PPS output module which are respectively connected to correspondingly output B code data in an optical format, B code data in an electric format and PPS synchronous pulse signals.
10. Substation equipment, characterized in that it comprises the B-code time pairing device according to any one of claims 1 to 9.
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| CN202021708357.2U CN212623636U (en) | 2020-08-14 | 2020-08-14 | B code time synchronization equipment and transformer substation equipment |
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| CN202021708357.2U CN212623636U (en) | 2020-08-14 | 2020-08-14 | B code time synchronization equipment and transformer substation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391543A (en) * | 2021-05-11 | 2021-09-14 | 国网浙江省电力有限公司湖州供电公司 | Time synchronization system calibration device based on Beidou GPS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391543A (en) * | 2021-05-11 | 2021-09-14 | 国网浙江省电力有限公司湖州供电公司 | Time synchronization system calibration device based on Beidou GPS |
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