CN105632156B - A kind of data transmission method for four table centralized meter-reading systems - Google Patents
A kind of data transmission method for four table centralized meter-reading systems Download PDFInfo
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- CN105632156B CN105632156B CN201511021747.6A CN201511021747A CN105632156B CN 105632156 B CN105632156 B CN 105632156B CN 201511021747 A CN201511021747 A CN 201511021747A CN 105632156 B CN105632156 B CN 105632156B
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The invention discloses a kind of data transmission methods for four table centralized meter-reading systems, comprising the following steps: acquisition aqueous vapor hotlist data, according to the storage address V of CJT188 specification distribution aqueous vapor hotlist datac1, wherein the storage address V of the aqueous vapor hotlist datac1For 7 byte binary-coded decimal addresses；By the storage address V of aqueous vapor hotlist datac1It is converted into 6 byte address V of 16 systemsc2；By the storage address V of the aqueous vapor hotlist data after conversionc2Transmission process is carried out according to DLT645 specification.By the way that aqueous vapor hotlist data are acquired storage according to original CJT188 specification, then its storage address is converted to 6 byte addresses of 16 systems, it is adapted with 6 byte dynamometer instrument address data memories under DLT645 specification, aqueous vapor hotlist data are enabled equally to carry out transmission process by DLT645 specification, to realize the Unified Data Transport of four table centralized meter-reading systems.
Description
Technical field
The present invention relates to kilowatt meter reading-out system technical fields, and in particular to a kind of transmission side data for four table centralized meter-reading systems
Method.
Background technique
Currently, network system is relatively more sound, standardizes, domestic dynamometer instrument can be standardized according to corresponding by ammeter data
It is transferred in unified server, but aqueous vapor hotlist producer is each has respective way by oneself, none unified main website specification,
So the data of steam hotlist can not all be unified to carry out automatic data logging always.The four table centralized meter-reading systems carried out now, mainly think
Want that continuous data is carried out automatic collection by the acquisition system of power grid by the data by water meter, gas meter, flow meter, calorimeter, water meter,
The data transmission protocol that gas meter, flow meter, calorimeter use is CJT188 specification, and the data transmission protocol of dynamometer instrument is then in power grid
DLT645 specification needs for the CJT188 specification that aqueous vapor hotlist is implemented to be converted into dynamometer instrument execution during realization
DLT645 specification, the main problem encountered in the process are that the data transmission table address that CJT188 specification defines is 7 bytes
Binary-coded decimal, and the data of DLT645 specification transmission table address is 6 byte binary-coded decimals, aqueous vapor hotlist data can not be passed through DLT645
Specification is transmitted.
Summary of the invention
The technical problem to be solved by the present invention is to, provide it is a kind of for four table centralized meter-reading systems can be by aqueous vapor hotlist data
The data transmission method of transmission process is carried out by DLT645 specification.
The technical scheme is that providing a kind of data transmission method for four table centralized meter-reading systems, including following step
It is rapid:
Aqueous vapor hotlist data are acquired, according to the storage address V of CJT188 specification distribution aqueous vapor hotlist datac1, wherein it is described
The storage address V of aqueous vapor hotlist datac1For 7 byte binary-coded decimal addresses；
By the storage address V of aqueous vapor hotlist datac1It is converted into 6 byte address V of 16 systemsc2；
By the storage address V of the aqueous vapor hotlist data after conversionc2Transmission process is carried out according to DLT645 specification.
Further, the method also includes: by the storage address V after conversionc2Two times transfer is carried out into actual address
Vc3, wherein definition electric power table address maximum value is Vdmax, Vc3=Vc2+Vdmax+1；
Judge Vc3It is whether Chong Die with the wildcarded address in electric power table address, it, will practically when determining result to be overlapped
Location Vc3In addition preset value VIfSo that Vc3+VIf> Vc3max, wherein the wildcarded address is the address that high byte is 0xAA, fixed
Adopted actual address Vc3Maximum value be Vc3max。
Further, the method also includes: parsing DLT645 message, obtain message in 6 byte address Vd6；
Judge 6 byte address Vd6It whether is wildcarded address, when it is no for determining result, by Vd6Unsteady state operation is at 64
Without symbol integer data Vd64；
By Vd64With VdmaxIt is compared, works as Vd64≤VdmaxWhen, determine Vd64For electric power table address, otherwise for aqueous vapor hotlist
Location；
Determine Vd64Behind aqueous vapor hotlist address, by Vd64With Vc3maxIt is compared, works as Vd64Less than or equal to Vc3maxWhen, it determines
Practical aqueous vapor hotlist address Vc=Vd64, work as Vd64Greater than Vc3maxWhen, determine practical aqueous vapor hotlist address Vc=Vd64-VIf；
By the practical aqueous vapor hotlist address conversion determined at 10 system binary-coded decimals, original address 7 byte CJT188 is obtained.
Further, the aqueous vapor hotlist data be one of data of water meter, gas meter, flow meter data and calorimeter data or
It is a variety of.
Technical solution of the present invention has the beneficial effect that by carrying out aqueous vapor hotlist data according to original CJT188 specification
Its storage address, is then converted to 6 byte addresses of 16 systems, with 6 byte dynamometer instruments under DLT645 specification by acquisition storage
Address data memory is adapted, and aqueous vapor hotlist data is enabled equally to carry out transmission process by DLT645 specification, thus real
The Unified Data Transport of four table centralized meter-reading systems is showed.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
The present invention provides a kind of data transmission method for four table centralized meter-reading systems, four table centralized meter-reading systems generally comprise use
Number is acquired at each collector in the collector of acquisition water meter, gas meter, flow meter, calorimeter and dynamometer instrument data, and for focusing on
According to concentrator, concentrator processing is unified after data everywhere to be uploaded to system main website for data and carries out storage processing, which passes
Transmission method the following steps are included:
S1: acquisition aqueous vapor hotlist data, according to the storage address V of CJT188 specification distribution aqueous vapor hotlist datac1, wherein
The storage address V of aqueous vapor hotlist datac1For 7 byte binary-coded decimal addresses；
Specifically, aqueous vapor hotlist data are one of data of water meter, gas meter, flow meter data and calorimeter data or a variety of, are led to
The collector acquisition data in water meter, gas meter, flow meter or calorimeter everywhere are crossed, aqueous vapor hotlist data are according to original CJT188 specification
Carry out data acquisition, address distribution.
S2: by the storage address V of aqueous vapor hotlist datac1It is converted into 6 byte address V of 16 systemsc2；
Specifically, the aqueous vapor hotlist data acquired up are stored in 7 byte binary-coded decimal addresses, copy system to carry out four table collection
One transfer management, needs the transmission form by aqueous vapor hotlist data conversion at dynamometer instrument data, and the transmission of dynamometer instrument data is implemented
DLT645 specification, it is 6 byte binary-coded decimals that address data memory is defined in this specification, it is therefore desirable to by the ground of aqueous vapor hotlist data
Location is converted into 6 byte addresses, in the present embodiment, by the way that the aqueous vapor hotlist address of 7 byte binary-coded decimals is carried out 16 system conversions, turns
It is 6 byte addresses after changing, is adapted, can be handled with dynamometer instrument data uniform transmission with electric power table address.
S3: by the storage address V of the aqueous vapor hotlist data after conversionc2Transmission process is carried out according to DLT645 specification.
Further, in above-mentioned steps S3, this method is further comprising the steps of:
S31: by the storage address V after conversionc2Two times transfer is carried out into actual address Vc3, wherein define electric power table address
Maximum value is Vdmax, Vc3=Vc2+Vdmax+1；
S32: judge Vc3It is whether Chong Die with the wildcarded address in electric power table address, it, will be real when determining result to be overlapped
Border address Vc3In addition preset value VIfSo that Vc3+VIf> Vc3max, wherein wildcarded address is the address that high byte is 0xAA, fixed
Adopted actual address Vc3Maximum value be Vc3max。
Specifically, above-mentioned steps S1~S3 is by aqueous vapor hotlist address conversion into the address being adapted to electric power table address, and
In such a way that DLT645 specification is transmitted, but when the data of collector acquisition further include dynamometer instrument data, aqueous vapor hotlist
Address after address conversion may be with original dynamometer instrument address overlap, this just needs to carry out secondary place to aqueous vapor hotlist address
Reason, distinguishes with original dynamometer instrument address.Electric power table address maximum value VdmaxBe 999999999999, pass through in the present embodiment by
Aqueous vapor hotlist address after primary conversion adds 1 to distinguish completely with electric power table address, after secondary treatment plus the maximum value again
Aqueous vapor hotlist actual address range be 99999999999A≤Vc3≤ F48CAA13D999, but in original DLT645 specification also
There is this case that asterisk wildcard, definition wildcarded address is Vaa, then wildcarded address interval range is in DLT645 specification
AAAAAAAAAAAA≤Vaa≤ AA0000000000, therefore, it is necessary to by the aqueous vapor hotlist actual address V after secondary treatmentc3In with
The adaptable address of asterisk wildcard is handled three times.
In the present embodiment, when address is Chong Die with wildcarded address, in advance along with one by the actual address after secondary treatment
The preset value first set, so that overlapping address exceeds V after adding the preset valuec3Maximum value F48CAA13D999, has been able in this way
Original electric power table address is avoided entirely, such as: preset VIfIt is 500000000000, then reaches the V of asterisk wildcard requirementc3Address exists
In addition FA0000000000 can be more than or equal to after the setting value, it is completely in Vc3Except address, it is preferable that this method further includes,
The CJT188 broadcast address of aqueous vapor hotlist data is redefined in DLT645 specification, such as: defining 0xFBBBBBBBBBBB is
New aqueous vapor hotlist broadcast address.
Further, after above-mentioned data processing is transferred to system main website, system main website is needed each data back solution
Analyse classification processing, this method further include:
S4: parsing DLT645 message obtains 6 byte address V in messaged6；
S5: judge 6 byte address Vd6It whether is wildcarded address, when it is no for determining result, by Vd6Unsteady state operation is at 64
Position is without symbol integer data Vd64；
Specifically, above-mentioned such as to define new aqueous vapor hotlist broadcast address, it also needs to judge V in advance hereind6It whether is wide
Address is broadcast, after excluding broadcast address and DLT645 wildcarded address, it is also necessary to continue to judge that 6 byte address is dynamometer instrument
Location or aqueous vapor hotlist address.
S6: by Vd64With VdmaxIt is compared, works as Vd64≤VdmaxWhen, determine Vd64It is otherwise aqueous vapor heat for electric power table address
Table address；
Specifically, to avoid address from repeating, aqueous vapor hotlist address is to exceed dynamometer instrument address range by value added processing,
Less than or equal to original power table address maximum value Vdmax, namely be less than or equal to 999999999999 when, which belongs to dynamometer instrument number
According to address, otherwise belong to aqueous vapor hotlist data address.
S7: determine Vd64Behind aqueous vapor hotlist address, by Vd64With Vc3maxIt is compared, works as Vd64Less than or equal to Vc3maxWhen,
Determine practical aqueous vapor hotlist address Vc=Vd64, work as Vd64Greater than Vc3maxWhen, determine practical aqueous vapor hotlist address Vc=Vd64-VIf；
Specifically, after distinguishing aqueous vapor hotlist address, it is also necessary to whether further discriminate between the address by avoiding wildcard
Duplicate conversion process three times is accorded with, this 64 bit address after just needing to convert and the aqueous vapor hotlist address after secondary treatment are maximum
Value is compared, and is less than or equal to Vc3maxBe without the aqueous vapor hotlist address handled three times, be greater than Vc3maxThen need to subtract
The preset value V that front addsIf。
S8: by the practical aqueous vapor hotlist address conversion determined at 10 system binary-coded decimals, with obtaining original 7 byte CJT188
Location.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of data transmission method for four table centralized meter-reading systems, which comprises the following steps:
Aqueous vapor hotlist data are acquired, according to the storage address V of CJT188 specification distribution aqueous vapor hotlist datac1, wherein the aqueous vapor
The storage address V of hotlist datac1For 7 byte binary-coded decimal addresses；
By the storage address V of aqueous vapor hotlist datac1It is converted into 6 byte address V of 16 systemsc2；
By the storage address V of the aqueous vapor hotlist data after conversionc2Transmission process is carried out according to DLT645 specification；
The method also includes:
By the storage address V after conversionc2Two times transfer is carried out into actual address Vc3, wherein defining electric power table address maximum value is
Vdmax, Vc3=Vc2+Vdmax+1；
Judge Vc3It is whether Chong Die with the wildcarded address in electric power table address, when determining result to be overlapped, by actual address Vc3
In addition preset value VIfSo that Vc3+VIf> Vc3max, wherein the wildcarded address is the address that high byte is 0xAA, and definition is real
Border address Vc3Maximum value be Vc3max。
2. the data transmission method according to claim 1 for being used for four table centralized meter-reading systems, which is characterized in that the method is also
Include:
DLT645 message is parsed, 6 byte address V in message are obtainedd6；
Judge 6 byte address Vd6It whether is wildcarded address, when it is no for determining result, by Vd6Unsteady state operation is whole without according at 64
Type data Vd64；
By Vd64With VdmaxIt is compared, works as Vd64≤VdmaxWhen, determine Vd64It is otherwise aqueous vapor hotlist address for electric power table address；
Determine Vd64Behind aqueous vapor hotlist address, by Vd64With Vc3maxIt is compared, works as Vd64Less than or equal to Vc3maxWhen, it determines practical
Aqueous vapor hotlist address Vc=Vd64, work as Vd64Greater than Vc3maxWhen, determine practical aqueous vapor hotlist address Vc=Vd64-VIf；
By the practical aqueous vapor hotlist address conversion determined at 10 system binary-coded decimals, original address 7 byte CJT188 is obtained.
3. the data transmission method according to claim 1 for being used for four table centralized meter-reading systems, which is characterized in that the aqueous vapor heat
Table data are one of data of water meter, gas meter, flow meter data and calorimeter data or a variety of.
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