CN109507936B - Comprehensive processing unit - Google Patents
Comprehensive processing unit Download PDFInfo
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- CN109507936B CN109507936B CN201910044969.1A CN201910044969A CN109507936B CN 109507936 B CN109507936 B CN 109507936B CN 201910044969 A CN201910044969 A CN 201910044969A CN 109507936 B CN109507936 B CN 109507936B
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- 238000012545 processing Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2656—Instrumentation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides an integrated processing unit, comprising: the system comprises a DSP processor, an embedded industrial personal computer, a communication expansion module and a clock synchronization and time service module; the DSP processor is in communication connection with the embedded industrial personal computer; the communication expansion module is in communication connection with the embedded industrial personal computer; the clock synchronization and time service module is connected with a timer interface of the DSP processor, and is used for carrying out clock synchronization on the DSP processor and external equipment connected with the DSP processor, processing a synchronization signal sent by the clock synchronization and time service module through the DSP processor, realizing the clock synchronization of the external equipment connected with the DSP processor through the clock synchronization and time service module, realizing the display of data, uploading the data and the like through various equipment externally connected with an embedded industrial personal computer, and solving the technical problems that the functionality of the traditional concentrator is insufficient and the requirements of on-line monitoring and checking configuration of a gateway electric energy metering device cannot be met.
Description
Technical Field
The invention relates to the technical field of electric energy metering, in particular to a comprehensive processing unit.
Background
In the electric information acquisition system, after the data of the electric energy meter are collected in a concentrated mode through the concentrator, the data are uploaded to the main station, the function is relatively simple, the storage space is small, the design is basically based on a low-cost embedded processor, and the design is carried out by expanding corresponding communication modules.
In the process of on-line monitoring and checking configuration of the gateway electric energy metering device, similar equipment is needed to be used as a comprehensive processing unit for communication and data acquisition between a main station and a multipath analog collector, a PT monitoring module, a CT monitoring module and an electric energy meter, and the requirements of on-line monitoring and checking configuration of the gateway electric energy metering device cannot be met due to the insufficient functionality of the current concentrator.
Disclosure of Invention
The invention provides a comprehensive processing unit, which solves the technical problem that the requirements of on-line monitoring and checking configuration of a gateway electric energy metering device cannot be met due to the insufficient functionality of the traditional concentrator.
The invention provides an integrated processing unit, comprising:
the system comprises a DSP processor, an embedded industrial personal computer, a communication expansion module and a clock synchronization and time service module;
the DSP processor is in communication connection with the embedded industrial personal computer;
the communication expansion module is in communication connection with the embedded industrial personal computer;
The clock synchronization and timing module is connected with the timer interface of the DSP processor and is used for carrying out clock synchronization on the DSP processor and external equipment connected with the DSP processor.
Optionally, the clock synchronization and timing module comprises a pulse acquisition circuit;
The pulse acquisition circuit is connected with the timer interface of the DSP processor and is used for acquiring an active pulse input signal, a reactive pulse input signal and a second pulse input signal of the electric energy meter.
Optionally, the clock synchronization and timing module further comprises a timing circuit;
the time setting circuit is connected with the DSP processor;
The time setting circuit is used for sending the PPS synchronous signal to the DSP processor for clock synchronization.
Optionally, the clock synchronization and timing module further comprises an internal high-stability clock circuit;
The internal high-stability clock circuit is connected with the DSP processor;
The internal high-stability clock circuit is used for providing a system clock for the DSP processor.
Optionally, the clock synchronization and timing module further comprises an optical pulse output module;
The optical pulse output module is connected with the DSP processor;
and the optical pulse output module is used for outputting the system clock after the clock synchronization sent by the DSP processor to other devices.
Optionally, the system further comprises a GPS module;
the GPS module is connected with the DSP processor.
Optionally, the method further comprises expanding a memory;
The expansion memory is connected with the embedded industrial personal computer.
Optionally, a network switch is also included;
The network switch is respectively connected with the DSP processor and the embedded industrial personal computer.
Optionally, the system further comprises a broadband carrier module;
the broadband carrier module is connected with the embedded industrial personal computer;
Or (b)
The broadband carrier module is connected with the network switch.
Optionally, the device further comprises a power module;
The output end of the power supply module is connected with the power receiving end of the embedded industrial personal computer;
and the output end of the power supply module is connected with the power receiving end of the DSP processor.
From the above technical scheme, the invention has the following advantages:
The invention provides an integrated processing unit, comprising: the system comprises a DSP processor, an embedded industrial personal computer, a communication expansion module and a clock synchronization and time service module; the DSP processor is in communication connection with the embedded industrial personal computer; the communication expansion module is in communication connection with the embedded industrial personal computer; the clock synchronization and timing module is connected with the timer interface of the DSP processor and is used for carrying out clock synchronization on the DSP processor and external equipment connected with the DSP processor.
The invention processes the synchronous signal sent by the clock synchronization and time service module through the DSP processor, can realize the clock synchronization of the external equipment connected with the DSP processor through the clock synchronization and time service module, can realize the display of data and the uploading of data through various external equipment of the embedded industrial personal computer, and the like, and solves the technical problem that the requirements of the on-line monitoring and verification configuration of the gateway electric energy metering device cannot be met due to the insufficient functionality of the traditional concentrator.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a comprehensive processing unit according to an embodiment of the present invention;
Wherein, the reference numerals are as follows:
1. A power module; 2. a DSP processor; 3. an embedded industrial personal computer; 4. a communication expansion module; 5. a pulse acquisition circuit; 6. a time setting circuit; 7. a GPS module; 8. an internal high-stability clock circuit; 9. expanding a memory; 10. a network switch; 11. a broadband carrier module; 12. and an optical pulse output module.
Detailed Description
The embodiment of the invention provides a comprehensive processing unit, which solves the technical problem that the requirements of on-line monitoring and checking configuration of a gateway electric energy metering device cannot be met due to the insufficient functionality of the traditional concentrator.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an integrated processing unit, comprising:
the system comprises a DSP processor 2, an embedded industrial personal computer 3, a communication expansion module 4 and a clock synchronization and time service module;
the DSP processor 2 is in communication connection with the embedded industrial personal computer 3;
the communication expansion module 4 is in communication connection with the embedded industrial personal computer 3;
The clock synchronization and timing module is connected with the timer interface of the DSP processor 2 and is used for carrying out clock synchronization on the DSP processor 2 and external equipment connected with the DSP processor 2.
It should be noted that, in the embodiment of the present application, the embedded industrial personal computer 3 may provide a plurality of USB interfaces, which may conveniently expand peripheral devices, or may be connected to a display through a display interface;
The embedded industrial personal computer 3 can provide a plurality of RS232 interfaces, and can be converted into corresponding RS232 or RS485 interfaces after the isolation of the isolation voltage of 4000V is realized by utilizing an optocoupler isolation circuit through the communication expansion module 4 so as to be connected with intelligent equipment to serve as a meter reading port or a maintenance port.
The invention processes the synchronous signal sent by the clock synchronization and time service module through the DSP processor 2, can realize the clock synchronization of the external equipment connected with the DSP processor 2 through the clock synchronization and time service module, can realize the display of data and the uploading of data through the external various equipment of the embedded industrial personal computer 3, and the like, and solves the technical problems that the current concentrator has insufficient functionality and cannot meet the requirements of on-line monitoring and checking configuration of the gateway electric energy metering device.
Further, the clock synchronization and timing module comprises a pulse acquisition circuit 5;
The pulse acquisition circuit 5 is connected with the timer interface of the DSP processor 2, and the pulse acquisition circuit 5 is used for acquiring an active pulse input signal, a reactive pulse input signal and a second pulse input signal of the electric energy meter.
Further, the clock synchronization and time service module further comprises a time synchronization circuit 6;
The time setting circuit 6 is connected with the DSP processor 2;
The time synchronization circuit 6 is used for sending the PPS synchronization signal to the DSP processor 2 for clock synchronization.
It should be noted that, the DSP processor 2 may receive the PPS synchronization signal input by the external optical fiber interface through the clock synchronization circuit 6 to achieve clock synchronization.
Further, the clock synchronization and timing module further comprises an internal high-stability clock circuit 8;
The internal high-stability clock circuit 8 is connected with the DSP processor 2;
an internal high-stability clock circuit 8 is used to provide the system clock for the DSP processor 2.
After the DSP processor 2 is powered on, the internal high-stability clock circuit 8 provides the system clock for the DSP processor 2, and in the embodiment of the application, a clock source composed of clock crystals with high precision and low temperature drift is adopted, so that the precision can reach 0.1ppm.
Further, the clock synchronization and timing module further comprises an optical pulse output module 12;
The optical pulse output module 12 is connected with the DSP processor 2;
The optical pulse output module 12 is configured to output the system clock after synchronizing the clocks sent by the DSP processor 2 to other devices.
After the DSP processor 2 is powered on, the internal high-stability clock circuit 8 is first used as a system clock by default, then which clock is specifically selected as a clock source of the system according to parameter setting, if the system clock of the internal high-stability clock circuit 8 is not used as the clock source, the PPS synchronization signal input by the external optical fiber interface is received through the timer peripheral, and the PPS synchronization signal is measured and phase-locked to output an internal clock signal, so as to determine the system clock. Finally, the synchronized system clock is output to other devices through the optical pulse output module 12.
Further, the GPS module 7 is also included;
The GPS module 7 is connected to the DSP processor 2.
It should be noted that, the DSP processor 2 may be externally connected with a high-gain active GPS antenna through the GPS module 7, so as to ensure the effect of the integrated processing unit when the integrated processing unit is used indoors.
Further, the method also comprises an expansion memory 9;
The expansion memory 9 is connected with the embedded industrial personal computer 3.
It should be noted that the expansion memory 9 may expand the memory of the embedded industrial personal computer 3 to store more data.
Further, the network switch 10 is also included;
The network switch 10 is connected with the DSP processor 2 and the embedded industrial personal computer 3, respectively.
It should be noted that, the ethernet interfaces of the DSP processor 2 and the embedded industrial personal computer 3 may both implement data collection of the intelligent collection terminal through the network switch 10.
Further, the device also comprises a broadband carrier module 11;
The broadband carrier module 11 is connected with the embedded industrial personal computer 3;
Or (b)
The broadband carrier module 11 is connected to the network switch 10.
It should be noted that the wideband carrier module 11 may be used in applications where the integrated processing unit is required.
Further, the power supply module 1 is also included;
The output end of the power module 1 is connected with the power receiving end of the embedded industrial personal computer 3;
the output end of the power module 1 is connected with the power receiving end of the DSP processor 2.
It should be noted that, the power supply of all the electric devices in the integrated processing unit is powered by the power module 1, the power supply mode can select the power module 1 to supply power to the embedded industrial personal computer 3 and the DSP processor 2, the embedded industrial personal computer 3 and the DSP processor 2 supply power to other electric devices through the electric connection relationship, and the power supply can also be directly connected with each electric device to supply power;
For example, the power module 1 converts 220V into two paths of direct current power supplies, the first path of voltage is 5V/4A power supply for supplying power to the DSP processor 2 in the embodiment, the second path of voltage is 12V/1.5A power supply for supplying power to the embedded industrial personal computer 3 in the embodiment, and the power supply of the communication expansion module 4 is provided after the 5V/4A power supply is converted by a 5V-to-5V isolation power supply module in the communication expansion module 4.
Further, the DSP processor 2 is specifically an ADSP-BF609 processor;
the embedded industrial personal computer 3 is specifically a low-power consumption embedded motherboard developed based on an Intel Atom platform.
The comprehensive processing unit has the main functions of management and control, is provided with various communication interfaces according to the functional requirements, and is a comprehensive processing unit which is used for meeting all functions of a power station power energy acquisition terminal, wherein data acquisition of the comprehensive processing unit is from other equipment, such as a multipath analog quantity acquisition device, a PT monitoring module, a CT monitoring module and a power meter, analysis of PT secondary circuit voltage drop, CT secondary load, power meter errors and the like is realized by utilizing the acquired data, and the data is transferred to a main station to complete communication.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An integrated processing unit, comprising:
the system comprises a DSP processor, an embedded industrial personal computer, a communication expansion module and a clock synchronization and time service module;
the DSP processor is in communication connection with the embedded industrial personal computer;
the communication expansion module is in communication connection with the embedded industrial personal computer;
the clock synchronization and timing module is connected with a timer interface of the DSP processor and is used for performing clock synchronization on the DSP processor and external equipment connected with the DSP processor;
The clock synchronization and time service module comprises an internal high-stability clock circuit and an optical pulse output module;
The internal high-stability clock circuit is connected with the DSP processor;
The internal high-stability clock circuit is used for providing a system clock for the DSP processor;
The optical pulse output module is connected with the DSP processor;
The optical pulse output module is used for outputting the system clock after clock synchronization sent by the DSP processor to other devices;
the optical pulse output module is configured to output the system clock after clock synchronization sent by the DSP processor to other devices, and specifically includes:
when the DSP processor is powered on, the internal high-stability clock circuit is adopted as a system clock by default;
Selecting a clock source of a corresponding system according to parameter setting;
if the system clock of the internal high-stability clock circuit is not selected as a clock source, receiving a PPS synchronous signal input by an external optical fiber interface through a timer peripheral;
measuring the PPS synchronous signal, phase-locking and outputting an internal clock signal, and further determining a system clock;
and outputting the synchronized system clock to other devices through the optical pulse output module.
2. The integrated processing unit of claim 1, wherein the clock synchronization and timing module further comprises a pulse acquisition circuit;
The pulse acquisition circuit is connected with the timer interface of the DSP processor and is used for acquiring an active pulse input signal, a reactive pulse input signal and a second pulse input signal of the electric energy meter.
3. The integrated processing unit of claim 2, wherein the clock synchronization and timing module further comprises a time synchronization circuit;
the time setting circuit is connected with the DSP processor;
The time setting circuit is used for sending the PPS synchronous signal to the DSP processor for clock synchronization.
4. The integrated processing unit of claim 1, further comprising a GPS module;
the GPS module is connected with the DSP processor.
5. The integrated processing unit of claim 1, further comprising an expansion memory;
The expansion memory is connected with the embedded industrial personal computer.
6. The integrated processing unit of claim 5, further comprising a network switch;
The network switch is respectively connected with the DSP processor and the embedded industrial personal computer.
7. The integrated processing unit of claim 6, further comprising a broadband carrier module;
the broadband carrier module is connected with the embedded industrial personal computer;
Or (b)
The broadband carrier module is connected with the network switch.
8. The integrated processing unit of claim 1, further comprising a power module;
The output end of the power supply module is connected with the power receiving end of the embedded industrial personal computer;
and the output end of the power supply module is connected with the power receiving end of the DSP processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044969.1A CN109507936B (en) | 2019-01-17 | 2019-01-17 | Comprehensive processing unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910044969.1A CN109507936B (en) | 2019-01-17 | 2019-01-17 | Comprehensive processing unit |
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| CN109507936A CN109507936A (en) | 2019-03-22 |
| CN109507936B true CN109507936B (en) | 2024-06-18 |
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| CN201910044969.1A Active CN109507936B (en) | 2019-01-17 | 2019-01-17 | Comprehensive processing unit |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441596A (en) * | 2019-08-21 | 2019-11-12 | 国网江西省电力有限公司电力科学研究院 | A kind of direct current concentrator based on time synchronization metering |
| CN111090003B (en) * | 2019-11-14 | 2022-04-12 | 国网江西省电力有限公司电力科学研究院 | Synchronous direct current electric energy metering system based on Beidou/GPS clock |
| CN110850357B (en) * | 2019-11-27 | 2021-03-12 | 广东电网有限责任公司 | Remote comprehensive processing system for electric energy metering device |
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