CN107490953A - Metering automation examines and determine time dissemination system - Google Patents
Metering automation examines and determine time dissemination system Download PDFInfo
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- CN107490953A CN107490953A CN201710822815.1A CN201710822815A CN107490953A CN 107490953 A CN107490953 A CN 107490953A CN 201710822815 A CN201710822815 A CN 201710822815A CN 107490953 A CN107490953 A CN 107490953A
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- time
- time server
- server
- gps
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G7/00—Synchronisation
Abstract
The present invention relates to a kind of metering automation to examine and determine time dissemination system, is made up of top layer time server, middle level time server and bottom time server, top layer time server, middle level time server and bottom time server successively connect from top to bottom；Top layer time server includes measurement centre of province primary time server, secondary time server and GPS, the input of secondary time server is connected to measurement centre of province primary time server and GPS, the output end connection middle level time server of secondary time server；Middle level time server is parallel with multiple three-level time servers, and each three-level time server is parallel with multiple bottom calibration equipments, and whole bottom calibration equipments are bottom time server.The present invention proposes the scheme of multilayer Time Service System, and adds and obtain the time check that GPS time information carries out top layer time server, it is ensured that the time for being issued to tested equipment is reliable.
Description
Technical field
The invention belongs in automatic detection field, especially a kind of metering automation calibrating time dissemination system.
Background technology
Calibrating line time dissemination system is that bottom calibration equipment obtains top layer Time Service System, and time school is carried out to tested equipment
Accurate device systems.In traditional time dissemination system, bottom time server is directly from the top layer Time Service of measurement centre of province
The device acquisition time is calibrated to the underlying services device time and is issued to tested locking equipment, and specific implementation step is as follows：During top layer
Between server from corresponding interface obtain the standard time；Bottom calibration equipment obtains the standard time from top layer time server；Bottom
Layer calibration equipment carries out self-calibrating by the standard time of acquisition；Verification system acquisition bottom calibration equipment system time is simultaneously right
Tested equipment is calibrated.
In traditional time dissemination system, top layer calibration equipment directly accesses the time server of top layer, adds top layer time clothes
It to be engaged in the access pressure of device, the time provided simultaneously for top layer time server trusts completely, without any judgment mechanism, one
Denier top layer time server is broken down, and the temporal information of mistake is directly issued to tested equipment by verification system, is caused serious
Consequence.
The content of the invention
It is an object of the invention in place of overcome the deficiencies in the prior art, there is provided a kind of metering automation calibrating time service system
System, in automated detection system when further raising time service time system during tested locking equipment is calibrated provides
Between accurate reliability.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of metering automation examines and determine time dissemination system, it is characterised in that：By top layer time server, middle level time server
And bottom time server composition, top layer time server, middle level time server and bottom time server on to
Under successively connect；
Top layer time server includes measurement centre of province primary time server, secondary time server and GPS, saves meter
The output end connection secondary time server of amount center primary time server, another input of secondary time server connect
It is connected to GPS, the output end connection middle level time server of secondary time server；
Middle level time server is parallel with multiple three-level time servers, and each three-level time server is parallel with multiple
Bottom calibration equipment, whole bottom calibration equipments are bottom time server.
Moreover, the three-level time server and its multiple bottom calibration equipments of connection form a verification system.
Moreover, the time service service routine flow of the secondary time server, step are：
(1) gps time is obtained；
(2) the primary time server time is obtained；
(3) judge whether the acquisition time is effective：
If it is determined that structure is effective, then service time is provided to lower floor by WebService；
If it is determined that structure is invalid, then system alarm is sent, after manually carrying out intervention processing, by data return to step
(1) restart.
Moreover, the step (3) judges that time whether effective specific method is, check that the time that GPS is obtained counts with province
Whether the time phase difference that amount center primary time server obtains is more than 3 seconds, if greater than 3 seconds, system alarm, when checking two
Between service and whether go wrong
Moreover, the intermediate layer time server is the time server of streamline, possess three functions：
(1) time is obtained from measurement centre's time server；
(2) check and whether measurement centre time server connect normal, if abnormal need inspection to connect, also to examine
Whether reliable look into current time；
(3) Communications service, infrastructure devices check whether normal with this grade of connection
Moreover, control terminal of the bottom time server for each calibrating unit, for carrying out time service, tool to meter
Standby two functions：
(1) time is obtained from this streamline time server, will be set when carrying out timing function under local zone time to meter
In standby (electric energy meter etc.)；
(2) Communications service, inspection connected with this streamline time server it is whether normal, if abnormal alarm, and not
Allow to do timing function experiment.
The advantages and positive effects of the present invention are：
1st, the reliability of Time Service is ensured by way of building multilayer time server；
2nd, lasting monitoring is carried out by the time for obtaining gps time to provide time server；
3rd, top layer time server is accessed by intermediate layer time server, on the one hand reduces the visit of top layer time server
Pressure is asked, on the other hand passes through intermediate layer carry bottom time server so that top layer time server can service more
Underlying device.
4th, the present invention proposes the scheme of multilayer Time Service System, and adds and obtain GPS time information progress top layer
The time check of time server, it is ensured that the time for being issued to tested equipment is reliable.
Brief description of the drawings
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is GPS time services program flow diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the invention will be further described by specific embodiment, and following examples are descriptive
, it is not limited, it is impossible to which protection scope of the present invention is limited with this.
A kind of metering automation examines and determine time dissemination system, during by top layer time server, middle level time server and bottom
Between server group into top layer time server, middle level time server and bottom time server successively connect from top to bottom；
The accuracy of time system is improved by multilayer time check.Structural representation is as shown in Figure 1.
Wherein, top layer time server includes measurement centre of province primary time server, secondary time server and GPS
(GPS), the output end connection secondary time server of measurement centre of province primary time server, during two level
Between another input of server be connected with GPS, the output end connection middle level time server of secondary time server；
Middle level time server is parallel with multiple three-level time servers, and each three-level time server is parallel with multiple
Multiple bottom calibration equipments of bottom calibration equipment, each three-level time server and its connection form a verification system, this
Three groups of verification systems, respectively verification system A, verification system B, calibrating system are included in time dissemination system shown in embodiment accompanying drawing 1
Unite C.
Whole bottom calibration equipments are as bottom time server.
The function of each layer time server of detailed description below：
First, top layer time server
Top layer time server is measurement centre's time server, on the one level temporal time server basis of prior art
On add secondary time server, secondary time server increase GPS functions, top layer time server needs to complete 4 work(
Energy：
(1) time is obtained from provincial company time server；
(2) time is obtained from external GPS device；
(3) check the time that GPS obtains and the time that measurement centre of province primary time server obtains (i.e. PC systems when
Between) be more or less the same in 3 seconds (tentative, main to consider equipment asynchronous communication), if greater than 3 seconds, system alarm, check two times
Whether service goes wrong；
(4) Communications service, infrastructure devices check whether to be connected normally with the machine.
2nd, intermediate layer time server introduction
Intermediate layer time server is the time server (can directly be served as by master control PC) of streamline, it is necessary to complete three
Function：
(1) time is obtained from measurement centre's time server；
(2) check and whether measurement centre time server connect normal, if abnormal need inspection to connect, also to examine
Whether reliable look into current time；
(3) Communications service, infrastructure devices check whether normal with this grade of connection
3rd, bottom time server introduction
Bottom time server is each control terminal for examining and determine unit, for carrying out time service, it is necessary to complete two to meter
Individual function：
(1) time is obtained from this streamline time server, will be set when carrying out timing function under local zone time to meter
In standby (electric energy meter etc.)；
(2) Communications service, inspection connected with this streamline time server it is whether normal, if abnormal alarm, and not
Allow to do timing function experiment.
This programme devises GPS time services service journey.
GPS time service service routines are deployed on secondary time server, and lower floor's time server is carried by servicing the service
The interface of confession obtains the standard time.Secondary time server time service service routine flow is as shown in Fig. 2 comprise the following steps that：
(4) gps time is obtained；
(5) the primary time server time is obtained；
(6) judge whether the acquisition time is effective：
If it is determined that structure is effective, then service time is provided to lower floor by WebService；
If it is determined that structure is invalid, then system alarm is sent, after manually carrying out intervention processing, by data return to step
(1) restart.
At the time of secondary time server can show last acquisition gps time, by being in settings button
It is under unified central planning to put, and can be between servicing communications address and port and the WebService addresses of lower floor's communication, acquisition gps time
Every, alarm threshold value and the configuration of GPS device PORT COM.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not departing from the present invention and spirit and scope of the appended claims in, it is various replace, change and modifications all be it is possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (6)
1. a kind of metering automation examines and determine time dissemination system, it is characterised in that：By top layer time server, middle level time server with
And bottom time server composition, top layer time server, middle level time server and bottom time server are from top to bottom
Successively connect；
Top layer time server includes measurement centre of province primary time server, secondary time server and GPS, saves in metering
The output end connection secondary time server of heart primary time server, another input of secondary time server are connected with
GPS, the output end connection middle level time server of secondary time server；
Middle level time server is parallel with multiple three-level time servers, and each three-level time server is parallel with multiple bottoms
Calibration equipment, whole bottom calibration equipments are bottom time server.
2. metering automation according to claim 1 examines and determine time dissemination system, it is characterised in that：The three-level time server
And its multiple bottom calibration equipments of connection form a verification system.
3. metering automation according to claim 1 examines and determine time dissemination system, it is characterised in that：The secondary time server
Time service service routine flow, step is：
(1) gps time is obtained；
(2) the primary time server time is obtained；
(3) judge whether the acquisition time is effective：
If it is determined that structure is effective, then service time is provided to lower floor by WebService；
If it is determined that structure is invalid, then system alarm is sent, after manually carrying out intervention processing, by data return to step (1) weight
It is new to start.
4. metering automation according to claim 3 examines and determine time dissemination system, it is characterised in that：When the step (3) judges
Between whether effective specific method is, check the time that GPS obtains and the time that measurement centre of province primary time server obtains
Whether difference is more than 3 seconds, and if greater than 3 seconds, system alarm checked whether two Time Services go wrong.
5. metering automation according to claim 1 examines and determine time dissemination system, it is characterised in that：The intermediate layer Time Service
Device is the time server of streamline, possesses three functions：
(1) time is obtained from measurement centre's time server；
(2) check and measurement centre time server connect it is whether normal, if it is abnormal need to check connect, also to check ought
Whether the preceding time is reliable；
(3) Communications service, infrastructure devices check whether normal with this grade of connection.
6. metering automation according to claim 1 examines and determine time dissemination system, it is characterised in that：The bottom time server
For the control terminal of each calibrating unit, for carrying out time service to meter, possess two functions：
(1) time is obtained from this streamline time server, meter equipment (electricity will be arrived under local zone time when carrying out timing function
Energy table etc.) in；
(2) whether Communications service, inspection connect normal with this streamline time server, if abnormal alarm, and do not allow
Do timing function experiment.
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| CN201710822815.1A CN107490953A (en) | 2017-09-13 | 2017-09-13 | Metering automation examines and determine time dissemination system |
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| CN103152117A (en) * | 2012-09-14 | 2013-06-12 | 南京航空航天大学 | Embedded-type high-precision network time server system |
| CN105700337A (en) * | 2014-11-28 | 2016-06-22 | 奇点新源国际技术开发(北京)有限公司 | Clock synchronization method and device applied to vehicle-borne terminal |
| CN107179681A (en) * | 2017-07-13 | 2017-09-19 | 云南电网有限责任公司电力科学研究院 | One kind calibrating line time reference system |
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2017
- 2017-09-13 CN CN201710822815.1A patent/CN107490953A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050183139A1 (en) * | 2003-11-20 | 2005-08-18 | Goddard Stephen M. | Combined firewall load balancing and cluster-based server dispatcher |
| CN102377502A (en) * | 2011-11-29 | 2012-03-14 | 浙江省电力公司 | Multilevel time synchronizing system and implementing method |
| CN102684808A (en) * | 2012-06-06 | 2012-09-19 | 哈尔滨工业大学 | Self-adaptive clock synchronous system |
| CN103152117A (en) * | 2012-09-14 | 2013-06-12 | 南京航空航天大学 | Embedded-type high-precision network time server system |
| CN105700337A (en) * | 2014-11-28 | 2016-06-22 | 奇点新源国际技术开发(北京)有限公司 | Clock synchronization method and device applied to vehicle-borne terminal |
| CN107179681A (en) * | 2017-07-13 | 2017-09-19 | 云南电网有限责任公司电力科学研究院 | One kind calibrating line time reference system |
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Application publication date: 20171219 |
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