CN102412932A - Method for transmitting data among power distribution equipment modules and power distribution equipment - Google Patents
Method for transmitting data among power distribution equipment modules and power distribution equipment Download PDFInfo
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- CN102412932A CN102412932A CN2011103733833A CN201110373383A CN102412932A CN 102412932 A CN102412932 A CN 102412932A CN 2011103733833 A CN2011103733833 A CN 2011103733833A CN 201110373383 A CN201110373383 A CN 201110373383A CN 102412932 A CN102412932 A CN 102412932A
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Abstract
The invention is applicable to the technical field of data communication of power grids and provides a method for transmitting data among power distribution equipment modules and power distribution equipment. The method comprises the following steps of: detecting whether a data source module has trigger information for sending data; if the data source module has the trigger information for sending the data, packing remote signaling data and remote sensing data of the data source module into a data packet according to a preset data format, and encoding the packed data; and sending the encoded data to a data requiring module. In the invention, the remote signaling data and the remote sensing data are transmitted by adopting a mixed data transmission format, so the data transmission process is simple; furthermore, data heads, data tails and control information for controlling the data transmission can be prevented from being sent repeatedly; therefore, the data transmission efficiency is improved and the equipment power consumption is reduced.
Description
Technical field
The invention belongs to the electric network data communication technical field, relate in particular to a kind of data transmission method and controller switching equipment of controller switching equipment intermodule.
Background technology
In the intelligent power distribution net; For guaranteeing message transmission and exchange between network node; The message transmission communication protocol that generally adopts between each network node mainly contains serial protocols such as IEC60870-5; For example: 101 agreements, 104 agreements etc., the IEC60870-5 serial protocols is based on the application layer protocol on serial communication or the network service; And in the internodal communication of some non-standard communications, for example, some self-defining nonstandard protocols are adopted in the internodal communication of inner each module of product sometimes, for example: transducer to panel, perhaps transducer to communication terminal etc.Yet; No matter be IEC60870-5 series communication protocol, or self-defining communication protocol; Mostly information such as the remote measurement of transmitting in the electrical network and person's remote signalling are to adopt independent transmission manner to carry out the data transmission; And some communication protocol also need connect earlier before communication, has increased the complexity that realizes.To sum up, data transfer mode is complicated in the prior art intelligent power distribution net.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of data transmission method of controller switching equipment intermodule, is intended to solve data transfer mode challenge in the prior art intelligent power distribution net.
The embodiment of the invention is achieved in that a kind of data transmission method of controller switching equipment intermodule, and said controller switching equipment comprises data source module and demand data module, and said method comprises the steps:
Detect the data source module whether the trigger message that sends data is arranged;
When detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing are encoded;
Data behind the coding are sent to said demand data module.
The embodiment of the invention also provides a kind of controller switching equipment, and said controller switching equipment comprises data source module and demand data module, and said controller switching equipment also comprises:
Detection module, whether be used to detect the data source module has the trigger message that sends data;
Processing module is used for when detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing is encoded;
Sending module is used for the data behind the coding are sent to said demand data module.
In the embodiment of the invention; When the data source module of controller switching equipment detects the trigger message that the transmission data are arranged; The remote signalling data and the telemetry of said data source module are broken into a packet according to the tentation data form; And the data after will packing encode, and the data behind the coding are sent to said demand data module.Realization adopts the data transmission format of mixing to transmit remote signalling data and telemetry; Data transmission procedure is simple; It is said that and can avoid repeating to send the control information that data head, data tail and logarithm are input into row control, therefore, improve data transmission efficiency, reduced equipment power dissipation.
Description of drawings
Fig. 1 is the flow chart of realization of the data transmission method of the controller switching equipment intermodule that provides of first embodiment of the invention;
Fig. 2 is a kind of preset data form of the data transmission method of the controller switching equipment intermodule that provides of the embodiment of the invention one;
Fig. 3 is the another kind of preset data form of the data transmission method of the controller switching equipment intermodule that provides of the embodiment of the invention one;
Fig. 4 is the structure chart of the controller switching equipment that provides of second embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the present embodiment; When the data source module of controller switching equipment detects the trigger message that the transmission data are arranged; Corresponding remote signalling data and telemetry are packed, are encoded into a packet according to the tentation data form, and the data after will handling send to said demand data module.
A kind of data transmission method of controller switching equipment intermodule, said controller switching equipment comprise data source module and demand data module, and said method comprises the steps:
Detect the data source module whether the trigger message that sends data is arranged;
When detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing are encoded;
Data behind the coding are sent to said demand data module.
The embodiment of the invention also provides a kind of controller switching equipment, and said controller switching equipment comprises data source module and demand data module, and said controller switching equipment also comprises:
Detection module, whether be used to detect the data source module has the trigger message that sends data;
Processing module is used for when detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing is encoded;
Sending module is used for the data behind the coding are sent to said demand data module.
Below in conjunction with specific embodiment realization of the present invention is described in detail:
Embodiment one
Fig. 1 shows the flow chart of realization of the data transmission method of the controller switching equipment intermodule that first embodiment of the invention provides, and said controller switching equipment comprises data source module and demand data module, and details are as follows:
Whether in step S101, detecting the data source module has the trigger message that sends data.
In the present embodiment, said trigger message can be the timing trigger message, also can be trigger message at random.
In step S102, when detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing are encoded.
In the present embodiment; Said tentation data form comprises in order successively: start-up portion, remote signalling part, telemetry portion and latter end; Wherein, remote signalling partly representes to transmit the attribute of data, and telemetry portion representes to transmit the concrete numerical value of data value; And telemetry portion also comprises: the adeditive attribute position of expression telemetry type, and the data bit of a plurality of expression telemetry numerical value.
Optional, said remote signalling part comprises successively: AD sampling saturation bit, electric current indicating bit, faulty indication position and line under-voltage indicating bit; Said telemetry portion comprises successively: the adeditive attribute position of expression line electricity flow valuve type, and the data bit of a plurality of expression line electricity flow valuves.
Certainly, have error detecing capability in order to make transfer of data, thereby make transfer of data more reliable, after the said telemetry portion, said tentation data lattice can also comprise: the parity check part.
In step S103, the data behind the coding are sent to said demand data module.
For the ease of understanding, below specify through the middle tentation data form of concrete realization example to embodiment one, suppose that controller switching equipment is a fault detector, the concrete definition of preset data form can be consulted Fig. 2.
Wherein, H is a start bit, can be " 1 ";
D0-D3 is 4 remote signalling positions, is specially:
The D0:AD saturation bit of sampling, 0 expression unsaturation, 1 expression is saturated;
D1: the electric current indicating bit, 0 representes that circuit does not have stream or electric current is small, 1 expression circuit has electric current;
D2: the faulty indication position, 0 expression circuit fault-free, 1 expression circuit has fault;
D3: the line under-voltage indicating bit, 0 expression data source end line under-voltage, 1 expression data source end supply voltage is normal;
Need to prove that above-mentioned 0,1 expression implication also can be conversely, in the actual data transfer process, the user can come to select voluntarily according to actual conditions, and is for example that 0 expression of D0 is saturated, 1 expression unsaturation.
The remote measurement position comprises D4, and D5-D20, is specially:
D4: the adeditive attribute position of the telemetry link current value of expression D5-D20 transmission, at this, the adeditive attribute position representes that specifically the circuit current value is instantaneous value or assembly average in the fault detector;
D5-D20: expression line electricity flow valuve, wherein, the line electricity flow valuve can be normalized value, scale value, fixed-point value or floating point values etc.;
V: be expressed as parity check bit, in checking procedure, the verification content can be the data that comprise in the whole data format;
T: the expression stop bits can be " 1 ".
In the present embodiment, if the demand data module does not need the remote measurement value in the data transmission procedure, then the data source module can be used the data transmission format transmission of simplification, and is as shown in Figure 3.
In the embodiment of the invention; When controller switching equipment detects the trigger message that the transmission data are arranged; The remote signalling data and the telemetry of said data source module are broken into a packet according to the tentation data form; And the data after will packing encode, and the data behind the coding are sent to said demand data module.Realization adopts the data transmission format of mixing to transmit remote signalling data and telemetry; Data transmission procedure is simple; It is said that and can avoid repeating to send the control information that data head, data tail and logarithm are input into row control, therefore, improve data transmission efficiency, reduced equipment power dissipation.
Embodiment two
Fig. 4 shows the structure chart of the controller switching equipment that second embodiment of the invention provides; For the ease of explanation; Only show the part relevant with the embodiment of the invention, this system can be software module, hardware module or the soft or hard binding modules that is built in the controller switching equipment.
Said controller switching equipment comprises: data source module 41, detection module 42, processing module 43, sending module 44 and demand data module 45.
Wherein, detection module 42, whether be used to detect data source module 41 has the trigger message that sends data.
Optional, said trigger message is regularly a trigger message, perhaps trigger message at random.
In the present embodiment; Said tentation data form comprises in order successively: start-up portion, remote signalling part, telemetry portion and latter end; Wherein, telemetry portion comprises: the adeditive attribute position of expression telemetry type, and the data bit of a plurality of expression telemetry numerical value.
Optional, said remote signalling part comprises successively: AD sampling saturation bit, electric current indicating bit, faulty indication position and line under-voltage indicating bit; Said telemetry portion comprises successively: the adeditive attribute position of expression line electricity flow valuve type, and the data bit of a plurality of expression line electricity flow valuves.
Optional, more reliable in order to make transfer of data, after the said telemetry portion, said tentation data form also comprises: the parity check part.
Sending module 44 is used for the data behind the coding are sent to said demand data module 45.
It should be noted that among the above-mentioned controller switching equipment embodiment that each included module is just divided according to function logic, but is not limited to above-mentioned division, as long as can realize function corresponding; In addition, the concrete title of each functional module also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
In addition; One of ordinary skill in the art will appreciate that all or part of step that realizes in above-mentioned each embodiment method is to instruct relevant hardware to accomplish through program; Corresponding program can be stored in the computer read/write memory medium; Described storage medium is like ROM/RAM, disk or CD etc.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the data transmission method of a controller switching equipment intermodule, said controller switching equipment comprises data source module and demand data module, it is characterized in that, said method comprises the steps:
Detect the data source module whether the trigger message that sends data is arranged;
When detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing are encoded;
Data behind the coding are sent to said demand data module.
2. the method for claim 1; It is characterized in that; Said tentation data form comprises in order successively: start-up portion, remote signalling part, telemetry portion and latter end; Wherein, telemetry portion comprises: the adeditive attribute position of expression telemetry type, and the data bit of a plurality of expression telemetry numerical value.
3. method as claimed in claim 2 is characterized in that, said remote signalling part comprises successively: AD sampling saturation bit, electric current indicating bit, faulty indication position and line under-voltage indicating bit; Said telemetry portion comprises successively: the adeditive attribute position of expression line electricity flow valuve type, and the data bit of a plurality of expression line electricity flow valuves.
4. method as claimed in claim 2 is characterized in that, after the said telemetry portion, said tentation data form also comprises: the parity check part.
5. like the arbitrary described method of claim 1 to 4, it is characterized in that said trigger message is regularly a trigger message, perhaps trigger message at random.
6. controller switching equipment, said controller switching equipment comprises data source module and demand data module, it is characterized in that, said controller switching equipment also comprises:
Detection module, whether be used to detect the data source module has the trigger message that sends data;
Processing module is used for when detecting the trigger message that sends data, the remote signalling data and the telemetry of said data source module broken into a packet according to the tentation data form, and the data after will packing is encoded;
Sending module is used for the data behind the coding are sent to said demand data module.
7. controller switching equipment as claimed in claim 6; It is characterized in that; Said tentation data form comprises in order successively: start-up portion, remote signalling part, telemetry portion and latter end; Wherein, telemetry portion comprises: the adeditive attribute position of expression telemetry type, and the data bit of a plurality of expression telemetry numerical value.
8. controller switching equipment as claimed in claim 7 is characterized in that, said remote signalling part comprises successively: AD sampling saturation bit, electric current indicating bit, faulty indication position and line under-voltage indicating bit; Said telemetry portion comprises successively: the adeditive attribute position of expression line electricity flow valuve type, and the data bit of a plurality of expression line electricity flow valuves.
9. controller switching equipment as claimed in claim 7 is characterized in that, after the said telemetry portion, said tentation data form also comprises: the parity check part.
10. like the arbitrary described controller switching equipment of claim 6 to 9, it is characterized in that said trigger message is regularly a trigger message, perhaps trigger message at random.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110373383.3A CN102412932B (en) | 2011-11-22 | 2011-11-22 | Method for transmitting data among power distribution equipment modules and power distribution equipment |
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| CN201110373383.3A CN102412932B (en) | 2011-11-22 | 2011-11-22 | Method for transmitting data among power distribution equipment modules and power distribution equipment |
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| CN102412932A true CN102412932A (en) | 2012-04-11 |
| CN102412932B CN102412932B (en) | 2015-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103001737A (en) * | 2012-11-23 | 2013-03-27 | 山东电力集团公司 | Method for preventing general packet radio service (GPRS) communication module data from being blocked |
| CN104850581A (en) * | 2015-04-09 | 2015-08-19 | 国电南瑞科技股份有限公司 | Multi-source data verification method for power dispatching automation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101951031A (en) * | 2010-07-02 | 2011-01-19 | 北京航空航天大学 | Distribution network automatic system based on broadband wireless communication and realization method thereof |
| CN102215253A (en) * | 2011-05-18 | 2011-10-12 | 中国电力科学研究院 | Layered exchange and control method for real-time monitoring system data by power dispatching |
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2011
- 2011-11-22 CN CN201110373383.3A patent/CN102412932B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101951031A (en) * | 2010-07-02 | 2011-01-19 | 北京航空航天大学 | Distribution network automatic system based on broadband wireless communication and realization method thereof |
| CN102215253A (en) * | 2011-05-18 | 2011-10-12 | 中国电力科学研究院 | Layered exchange and control method for real-time monitoring system data by power dispatching |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001737A (en) * | 2012-11-23 | 2013-03-27 | 山东电力集团公司 | Method for preventing general packet radio service (GPRS) communication module data from being blocked |
| CN104850581A (en) * | 2015-04-09 | 2015-08-19 | 国电南瑞科技股份有限公司 | Multi-source data verification method for power dispatching automation system |
| CN104850581B (en) * | 2015-04-09 | 2018-07-10 | 国电南瑞科技股份有限公司 | A kind of electric power scheduling automatization system multi-source data check method |
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| CN102412932B (en) | 2015-06-17 |
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Granted publication date: 20150617 Termination date: 20201122 |