CN107070577A

CN107070577A - The synchronous method and its equipment of a kind of equipment clock

Info

Publication number: CN107070577A
Application number: CN201710194649.5A
Authority: CN
Inventors: 赵树森
Original assignee: Shenzhen Yihua Computer Co Ltd; Shenzhen Yihua Time Technology Co Ltd; Shenzhen Yihua Financial Intelligent Research Institute
Current assignee: Shenzhen Yihua Computer Co Ltd; Shenzhen Yihua Time Technology Co Ltd; Shenzhen Yihua Financial Intelligent Research Institute
Priority date: 2017-03-28
Filing date: 2017-03-28
Publication date: 2017-08-18
Anticipated expiration: 2037-03-28
Also published as: CN107070577B

Abstract

The present invention is applied to equipment simultaneous techniques field there is provided a kind of synchronous method of equipment clock and its equipment, and method includes：If detecting the synchronous averaging instruction of reference clock equipment transmission, the frequency synchronization information that reference clock equipment is sent is obtained；According to default Frequency Synchronization rule and frequency synchronization information, the clock count frequency of the clock count frequency of itself and reference clock equipment is synchronized；Time synchronized solicited message is sent to the reference clock equipment；Obtain the time synchronization information that reference clock equipment is sent according to time synchronized solicited message, according to default time synchronized rule and time synchronization information, the time of itself and the time of reference clock equipment are synchronized, realize equipment room clock synchronous, existing Clock Synchronization Technology is solved by setting up a plurality of physical link between multiple equipment, need each equipment to be joined directly together with clockwork, greatly limit the framework development of communication network, the problem of synchronous efficiency is low.

Description

The synchronous method and its equipment of a kind of equipment clock

Technical field

The invention belongs to the synchronous method and its equipment in equipment simultaneous techniques field, more particularly to a kind of equipment clock.

Background technology

As the network architecture expands, the equipment included in each communication network is also more and more.For the ease of multiple equipment Between information exchange and collaborative work, then need the clock information of the equipment of each in synchronous communication network.And existing set The simultaneous techniques of standby clock, the mode typically used is, by setting up a plurality of physical link between multiple equipment, to pass through with a period of time Clock equipment send clock signal as equipment clock signal.It can be seen that, which needs each equipment direct with clockwork It is connected, greatly limit the framework development of communication network, synchronous efficiency is low.

The content of the invention

The purpose of the embodiment of the present invention is the synchronous method and its equipment for providing a kind of equipment clock, it is intended to solve existing Equipment clock simultaneous techniques, the mode typically used is by setting up a plurality of physical link between multiple equipment, by same The clock signal that one clockwork is sent is as the clock signal of equipment, it is necessary to which each equipment is joined directly together with clockwork, significantly Limit the framework development of communication network, the problem of synchronous efficiency is low.

In a first aspect, the embodiment of the present invention provides a kind of synchronous method of equipment clock, the synchronization side of the equipment clock Method and including：

If the first clockwork to be synchronized detects the synchronous averaging instruction of reference clock equipment transmission, the base is obtained The frequency synchronization information that quasi- clockwork is sent；

First clockwork to be synchronized according to default Frequency Synchronization is regular and the frequency synchronization information, incite somebody to action from The clock count frequency of the clock count frequency of body and the reference clock equipment is synchronized；

First clockwork to be synchronized sends time synchronized solicited message to the reference clock equipment；

First clockwork to be synchronized obtains the reference clock equipment and sent out according to the time synchronized solicited message The time synchronization information sent, according to default time synchronized is regular and the time synchronization information, by the time of itself Synchronized with the time of the reference clock equipment.

Second aspect, the embodiment of the present invention provides a kind of synchronous method of equipment clock, the synchronization side of the equipment clock Method includes：

Reference clock equipment sends synchronous averaging instruction to the first clockwork to be synchronized；

The reference clock equipment is to the described first clockwork transmission frequency synchronizing information to be synchronized, so that described first Clockwork to be synchronized is according to the frequency synchronization information by the clock meter of its clock count frequency and the reference clock equipment Number frequency is synchronized；

The reference clock equipment receives the time synchronized solicited message that the described first clockwork to be synchronized is sent；

The reference clock equipment is sent according to the time synchronized solicited message to the described first clockwork to be synchronized Time synchronization information so that first clock to be synchronized according to the time synchronization information by its time and the reference clock The time of equipment synchronizes.

The third aspect, the embodiment of the present invention provides a kind of clock synchronous equipment, and the synchronous equipment of the clock includes：

Frequency synchronization information acquiring unit, if the synchronous averaging instruction for detecting the transmission of reference clock equipment, is obtained The frequency synchronization information for taking the reference clock equipment to send；

Frequency Synchronization adjustment unit, for according to default Frequency Synchronization is regular and the frequency synchronization information, incite somebody to action from The clock count frequency of the clock count frequency of body and the reference clock equipment is synchronized；

Time synchronized request unit, for sending time synchronized solicited message to the reference clock equipment；

Temporal information adjustment unit, sends for obtaining the reference clock equipment according to the time synchronized solicited message The time synchronization information, according to default time synchronized is regular and the time synchronization information, by the time of itself with The time of the reference clock equipment synchronizes.

Fourth aspect, the embodiment of the present invention provides a kind of clock synchronous equipment, and the synchronous equipment of the clock includes：

Synchronous averaging instruction sending unit, for sending synchronous averaging instruction to the first clockwork to be synchronized；

Frequency synchronization information transmitting element, for the described first clockwork transmission frequency synchronizing information to be synchronized, with The described first clockwork to be synchronized is set to be set its clock count frequency and the reference clock according to the frequency synchronization information Standby clock count frequency is synchronized；

Time synchronized request reception unit, for receiving the time synchronized request that the described first clockwork to be synchronized is sent Information；

Time synchronization information transmitting element, for according to the time synchronized solicited message to the described first clock to be synchronized Equipment send time synchronization information so that first clockwork to be synchronized according to the time synchronization information by its time with The reference clock equipment time synchronizes.

The synchronous method and its equipment for implementing a kind of equipment clock provided in an embodiment of the present invention have the advantages that：

If the embodiment of the present invention detects the synchronous averaging that reference clock equipment is sent by the first clockwork to be synchronized Instruction, then obtain the frequency synchronization information that the reference clock equipment is sent；First clockwork to be synchronized is according to default Frequency Synchronization is regular and the frequency synchronization information, by the clock count frequency of itself and the reference clock equipment when Clock count frequency is synchronized；First clockwork to be synchronized sends time synchronized request to the reference clock equipment to be believed Breath；First clockwork to be synchronized obtains the institute that the reference clock equipment is sent according to the time synchronized solicited message State time synchronization information, according to default time synchronized is regular and the time synchronization information, by the time of itself with it is described The time of reference clock equipment is synchronized, and line frequency is entered so as to the frequency synchronization information that is sent according to reference clock equipment It is synchronous, time synchronized is realized further according to time synchronization information, then realizes that clock is synchronous, the synchronous mistake of clock of master-slave mode is completed Journey.Due to the embodiment of the present invention, only need reference clock equipment and clockwork to be synchronized to be communicatively coupled, handed over according to data Clock mutually can be achieved synchronous, thus will not be limited by physical link, the scope of clock system is expanded, when improving The synchronous efficiency of clock.

Brief description of the drawings

Fig. 1 is a kind of interaction diagrams of the synchronous method of equipment clock provided in an embodiment of the present invention；

Fig. 2 is a kind of interaction diagrams of the synchronous method for equipment clock that another embodiment of the present invention is provided；

Fig. 3 is a kind of flow chart of the synchronous method of equipment clock provided in an embodiment of the present invention；

Fig. 4 is a kind of flow chart of the synchronous method for equipment clock that another embodiment of the present invention is provided；

Fig. 5 is a kind of flow chart of the synchronous method of equipment clock provided in an embodiment of the present invention；

Fig. 6 is a kind of flow chart of the synchronous method for equipment clock that another embodiment of the present invention is provided；

Fig. 7 is a kind of clock synchronization device provided in an embodiment of the present invention as structure during the first clockwork to be synchronized Block diagram；

Fig. 8 be another embodiment of the present invention provide a kind of clock synchronization device as the first clockwork to be synchronized when Structured flowchart；

Fig. 9 is a kind of clock synchronization device provided in an embodiment of the present invention as structured flowchart during reference clock equipment；

Figure 10 is a kind of clock synchronization device of another embodiment of the present invention offer as structure during reference clock equipment Block diagram.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

The frequency synchronization information that the embodiment of the present invention is sent by clockwork to be synchronized according to reference clock equipment is entered Line frequency is synchronous, and time synchronized is realized further according to time synchronization information, then realizes that clock is synchronous, the clock for completing master-slave mode is same Step process, solves the simultaneous techniques of existing equipment clock, and the method for synchronization typically used is by building between multiple equipment Found a plurality of physical link, the clock signal sent by same clockwork as equipment clock signal, it is necessary to each equipment with Clockwork is joined directly together, and greatly limit the framework development of communication network, the problem of synchronous efficiency is low.

In the present embodiment, the executive agent of flow is clock system, and the clock system at least includes benchmark Clockwork and the first clockwork to be synchronized.When clock system is comprising the synchronous equipment of multiple clocks, first treats Synchronous clock equipment complete clock synchronization after, can as another clockwork to be synchronized of subsequent time reference clock equipment.Its In, the reference clock equipment and the first clockwork to be synchronized include clock module for any two in clock system Equipment, the reference clock equipment is to have completed the synchronous equipment of clock, and the first clockwork to be synchronized is then to be ready for The synchronous another equipment of clock.When i.e. the moment a certain equipment not yet completes clock synchronization, the equipment will be to be synchronized as first Clockwork；If subsequent time, the equipment has been completed after clock synchronization, and the equipment can be set as the reference clock of next node It is standby.In other words, reference clock equipment and the first clockwork to be synchronized are same equipment not synchronous in clock in the same time The change of appellation during the not same-action served as in system.

It should be noted that when as the first clockwork to be synchronized, its corresponding executive agent is in claim 8 A kind of described clock synchronization device；As on the basis of during clockwork, its corresponding executive agent is institute in claim 12 A kind of equipment for clock synchronization stated.

Fig. 1 shows the interaction diagrams of the synchronous method of equipment clock provided in an embodiment of the present invention, as follows：

In S101, reference clock equipment sends synchronous averaging to the first clockwork to be synchronized and instructed.

In the present embodiment, reference clock equipment, will be to the first clockwork to be synchronized before the synchronous flow of clock is started Synchronous averaging instruction is sent, for informing that the first clockwork to be synchronized needs to perform the synchronous flow operations of clock, in order to the One clockwork to be synchronized carries out the preparation on hardware and software.

In the present embodiment, reference clock equipment is attached with the first clockwork to be synchronized by communication network, its Middle communication network connection includes：Cable network is connected and wireless network connection.Reference clock equipment and the first clock to be synchronized Equipment carries out information exchange by the communication connection.

Preferably, in the present embodiment, reference clock equipment is by the way that default time service is regular and default time calibration Rule is corrected to its clock signal.Because reference clock equipment is set as the benchmark that time synchronized is carried out to next equipment It is standby, the whether accurate time consistency that will directly affect whole clock system equipment of its clock information, it is therefore desirable to base Quasi- clockwork carries out time service and calibration operation.

Preferably, in the present embodiment, the clock system includes the synchronous chained list of clock, for respectively being set in logging system Standby clock alignment order.After reference clock equipment obtains clock synchronization chained list, the synchronous chained list of the clock is loaded onto together Walk enabled instruction.After the first clockwork to be synchronized gets synchronous averaging instruction, it will extract and wrapped in synchronous averaging instruction The synchronous chained list of clock contained.

Alternatively, in the present embodiment, it is after reference clock equipment gets clock synchronization chained list, itself is corresponding Nodal information is deleted, and obtains the synchronous chained list of new clock.The synchronous chained list of the new clock is loaded on into synchronous averaging instruction, concurrently Deliver to the first clockwork to be synchronized.

In S102, reference clock equipment is to the first clockwork transmission frequency synchronizing information to be synchronized.

In the present embodiment, reference clock equipment is after synchronous averaging instruction is sent, by transmission frequency synchronizing information, the frequency Rate synchronizing information includes but is not limited to：The clock count frequency information of reference clock equipment, in order to the first equipment root to be synchronized The synchronization of clock count frequency is carried out according to the frequency synchronization information.

In S103, the first clockwork to be synchronized is regular and the Frequency Synchronization is believed according to default Frequency Synchronization Breath, the clock count frequency of the clock count frequency of itself and the reference clock equipment is synchronized.

In the present embodiment, the first clockwork to be synchronized is obtained after the frequency synchronization information that reference clock equipment is sent, The operation of clock count Frequency Synchronization will be performed.

In the present embodiment, the first clockwork to be synchronized according to the clock count frequency of itself determine temporal information and The speed of time counting, accordingly, it would be desirable to which it is synchronous to perform clock, it is necessary first to which the clock count frequency to equipment is synchronized.

In the present embodiment, the first clockwork to be synchronized obtains the Frequency Synchronization according to default Frequency Synchronization rule The clock frequency information of reference clock equipment in information, and according to the clock frequency information, the clock count frequency of itself is adjusted, So that the clock count Frequency Synchronization of the clock count frequency of itself and reference clock equipment.

In S104, the first clockwork to be synchronized sends time synchronized solicited message to reference clock equipment.

In the present embodiment, after the first clockwork to be synchronized completes the synchronization of clock count frequency, clock frequency is treated It is stable, then send time synchronized solicited message to reference clock equipment.Due to completing after Frequency Synchronization, it is ensured that first is to be synchronized The clock count frequency of clockwork is consistent with the clock count frequency of reference clock equipment, as long as temporal information is also consistent, then The clock that two equipment rooms can be achieved is synchronous.

In S105, reference clock equipment sends time synchronization information to the first clockwork to be synchronized.

In the present embodiment, reference clock equipment is after the time synchronization information that the first equipment to be synchronized is sent is got, It will judge that the first clockwork to be synchronized has completed Frequency Synchronization, the process of time synchronized can be carried out.

In the present embodiment, the time synchronization information includes but is not limited to：The temporal information of reference clock equipment, so as to One clockwork to be synchronized carries out time synchronized according to the temporal information of reference clock equipment.

In S106, the first clockwork to be synchronized is regular and the time synchronized is believed according to default time synchronized Breath, the time of itself and the time of the reference clock equipment are synchronized.

In the present embodiment, the first clockwork to be synchronized is received after the time synchronization information, will obtain time synchronized The temporal information of reference clock equipment in information, according to default time synchronized rule, adjusts the time of itself so that itself Time and reference clock equipment time synchronized.At that time, then it represents that the first clockwork to be synchronized has realized that clock is synchronous.

Above as can be seen that a kind of synchronous method of equipment clock provided in an embodiment of the present invention is when the first clock to be synchronized If equipment detects the synchronous averaging instruction of reference clock equipment transmission, the frequency for obtaining the reference clock equipment transmission is same Walk information；According to default Frequency Synchronization is regular and the frequency synchronization information, by the clock count frequency of itself with it is described The clock count frequency of reference clock equipment is synchronized；Time synchronized solicited message is sent to the reference clock equipment；Obtain The time synchronization information for taking the reference clock equipment to be sent according to the time synchronized solicited message, according to it is default when Between synchronization rules and the time synchronization information, the time of itself and the time of the reference clock equipment are synchronized, So as to the frequency synchronization information progress Frequency Synchronization sent according to reference clock equipment, realized further according to time synchronization information Time synchronized, then realizes that clock is synchronous, completes the Clock Synchronization Procedure of master-slave mode.Due to the embodiment of the present invention, benchmark is only needed Clockwork and clockwork to be synchronized are communicatively coupled, and are that clock synchronization can be achieved according to data interaction, thus will not Limited by physical link, expand the scope of clock system, improve the synchronous efficiency of clock.

Fig. 2 shows a kind of interaction diagrams of the synchronous method for equipment clock that another embodiment of the present invention is provided.Ginseng Further limited as described in Fig. 2, the step of to embodiment described in Fig. 1.A kind of equipment clock that the present embodiment is provided Synchronous method comprises the following steps, and details are as follows：

In S201, reference clock equipment sends synchronous averaging to the first clockwork to be synchronized and instructed.

Because S201 is identical with the step S101 in a upper embodiment, step S101 in an embodiment is specifically referred to Associated description, here is omitted.

In S202, reference clock equipment obtains the first synchronous calibration parameter；Wherein, the first synchronous calibration parameter is Synchronous calibration parameter corresponding numerical value when sending first frequency synchronizing information, the first synchronous calibration parameter is according to the benchmark The clock count frequency of clockwork is configured.

In the present embodiment, synchronous calibration parameter is included in the memory of reference clock equipment, for informing that first treats same The step clockwork clock count frequency size of its own.After reference clock equipment sends synchronous averaging instruction, it will start to hold The synchronous process of row clock count frequency, now, will obtain itself the corresponding numerical value of synchronous calibration parameter, i.e. the first synchronous calibration Parameter.

Preferably, in the present embodiment, reference clock equipment puts synchronous calibration parameter after synchronous averaging instruction is sent Zero, i.e. the first synchronous calibration parameter are 0.

In the present embodiment, reference clock equipment is after the completion of the operation of the first synchronous calibration parameter is obtained, synchronous calibration Parameter will be configured according to the clock count frequency of itself.

In the present embodiment, synchronous calibration parameter and following parameters are configured specially：According to clock Count frequency is counted to parameter, and the rising edge or trailing edge of each clock signal carry out Jia one handling to the numerical value of parameter.

In S203, reference clock equipment sends first frequency synchronizing information to the first clockwork to be synchronized；Wherein, institute State first frequency synchronizing information and include the first synchronous calibration parameter..

It should be noted that in the present embodiment, two steps of S203 and S202 will be performed simultaneously.The is completed obtaining After one synchronous calibration parameter, the first synchronous calibration parameter is directly packaged in first frequency synchronizing information, and is transmitted. At the time of being thus believed that the first synchronous calibration parameter of acquisition, at the time of as first frequency synchronizing information is sent.

In S204, the first clockwork to be synchronized obtains the first local calibration parameter；Wherein, first local calibration Local calibration parameter corresponding numerical value when parameter is obtains the first frequency synchronizing information, the local calibration parameter is according to the One clock count frequency is configured, and the first clock count frequency is the current clock count of the first clockwork to be synchronized Frequency.

In the present embodiment, the first clockwork to be synchronized will read itself after first frequency synchronizing information is received The value of storage wherein local calibration parameter, i.e., the first local calibration parameter.Preferably, in the present embodiment, first it is to be synchronized when Clock equipment is after first frequency synchronizing information is received, by local calibration parameter zero setting, i.e., the first local calibration parameter is 0.

In the present embodiment, the first clockwork to be synchronized is after the completion of the operation of the first local calibration parameter is obtained, originally Ground calibration parameter is counted the clock count frequency of itself according to the first clockwork to be synchronized.

In S205, the first clockwork to be synchronized is to reference clock equipment transmission frequency sync response information.

In the present embodiment, in order to improve the uniformity that clock is synchronous, the influence of the time delay in communication process is reduced, will again Secondary request reference clock equipment sends another synchronous calibration parameter, therefore, will synchronously be rung to reference clock equipment transmission frequency Answer information.

It should be noted that in the present embodiment, two steps of S204 and S205 will be performed simultaneously.The is completed obtaining After one local calibration parameter, the first local calibration parameter is directly packaged in Frequency Synchronization response message, and is transmitted. At the time of being thus believed that the first local calibration parameter of acquisition, at the time of as Frequency Synchronization response message is sent.

In S206, reference clock equipment obtains the second synchronous calibration parameter；Wherein, the second synchronous calibration parameter is Synchronous calibration parameter corresponding numerical value when receiving the Frequency Synchronization response message.

In the present embodiment, reference clock equipment is receiving the sync response information that the first clockwork to be synchronized is sent When, the numerical value of its synchronous calibration parameter will be obtained, as the second synchronous calibration parameter, so as to according to the first synchronous calibration parameter with And the second synchronous calibration parameter, when determining the transmission between reference clock equipment and the first clockwork communication link to be synchronized Prolong.

In S207, reference clock equipment is according to the first synchronous calibration parameter and the second synchronous calibration parameter, really Surely minislot parameter is calibrated.

In the present embodiment, according to the first synchronous calibration parameter and the difference of the second synchronous calibration parameter, it can obtain To calibration minislot parameter.

Preferably, it is determined that during calibration minislot parameter, the school can be adjusted according to the optimization processing algorithm of reference clock equipment Quasi- minislot parameter.Due to the transmission in the first synchronous calibration parameter acquiring to first frequency synchronizing information, computing device is in processing When still there is regular hour difference, therefore, reference clock equipment can be by related error according to optimization processing algorithm, to this Calibration minislot parameter is adjusted, and improves the accuracy of clock system.

In S208, reference clock equipment sends second frequency synchronizing information to the first clockwork to be synchronized；Wherein, institute Stating second frequency synchronizing information includes the calibration minislot parameter.

In the present embodiment, reference clock equipment is it is determined that after calibration minislot parameter, the quasi- minislot parameter of high-ranking officers is packaged in the In two frequency synchronization informations, the second frequency synchronizing information is sent to the first clockwork to be synchronized.

In S209, the first clockwork to be synchronized obtains the second local calibration parameter；Wherein, second local calibration Parameter is local calibration parameter corresponding numerical value when getting the second frequency synchronizing information.

In the present embodiment, the first clockwork to be synchronized is local by reading after second frequency synchronizing information is got The corresponding numerical value of calibration parameter, regard the numerical value as the second local calibration parameter.

In S210, the first clockwork to be synchronized extracts the calibration time slot ginseng included in the second frequency synchronizing information Number, according to the calibration minislot parameter, the first local calibration parameter, the second local calibration parameter and the first clock count frequency Rate, the clock count frequency of the clock count frequency of itself and the reference clock equipment is synchronized.

In the present embodiment, due to the corresponding propagation delay time of calibration minislot parameter, with obtain the first local calibration parameter with And first local calibration parameter time difference, be the transmitting-receiving process of information twice, therefore, according to above three parameter and The clock count frequency of one clockwork to be synchronized, determines the clock count frequency of reference clock equipment, then treats same to first The clock count frequency of step clockwork is adjusted.

Illustratively, the formula for determining the clock count frequency of the first clockwork to be synchronized is：

Wherein, F_BenchmarkOn the basis of clockwork clock count frequency, B₁For the first local calibration parameter, B₂It is local for second Calibration parameter, △ A are calibration minislot parameter, F₀For the clock technology frequency of the first clockwork to be calibrated.

In S211, the first clockwork to be synchronized obtains the 3rd local calibration parameter；Wherein, the 3rd local calibration parameter Local calibration parameter corresponding numerical value during to send the time synchronized solicited message, the local calibration parameter is treated according to first Clock count frequency after synchronous clock equipment regulation is configured.

In the present embodiment, the first clockwork to be synchronized is same by the time is proceeded by after clock count frequency stabilization The operation of step, will obtain the now corresponding numerical value of the first clockwork local calibration parameter to be synchronized, i.e. the 3rd local calibration ginseng Number.Alternatively, by the 3rd local calibration parameter zero setting.

It should be noted that in the present embodiment, two steps of S211 and S212 will be performed simultaneously.The is completed obtaining After three local calibration parameters, the transmission of time synchronized solicited message will be carried out.Thus it is believed that obtaining the 3rd local calibration parameter At the time of, at the time of as time synchronized solicited message is sent.

In S212, the first clockwork to be synchronized sends time synchronized solicited message to reference clock equipment.

Because S212 is identical with the step S104 in a upper embodiment, step S104 in an embodiment is specifically referred to Associated description, here is omitted.

In S213, reference clock equipment obtains reference time information；Wherein, the reference time information is receives State corresponding temporal information during time synchronized solicited message.

In the present embodiment, in order to realize time synchronized, fiducial time equipment is receiving the first equipment transmission to be synchronized Time synchronized solicited message after, it will obtain local temporal information, be used as reference time information.

In S214, reference clock equipment sends time synchronization information to the first clockwork to be synchronized；Wherein, when described Between synchronizing information include the reference time information.

In the present embodiment, reference time information is packaged in time synchronization information by reference clock equipment, and is sent to First clockwork to be synchronized.

In S215, first clockwork to be synchronized obtains the 4th local calibration parameter；Wherein, the 4th local calibration Local calibration parameter corresponding numerical value when parameter is obtains the time synchronization information.

In the present embodiment, when the first clockwork to be synchronized receives time synchronization information, local calibration ginseng will be obtained The corresponding numerical value of number, is used as the prover time of reference clock equipment in the 4th local calibration parameter, and extraction time synchronizing information Information.

In S216, first clockwork to be synchronized is according to the 3rd local calibration parameter, the 4th local calibration Parameter and the reference time information, the time of itself and the time of the reference clock equipment are synchronized.

In the present embodiment, the first clockwork to be synchronized is according to the 3rd local calibration parameter, the 4th local calibration parameter And the reference time information, then between can determine that when received synchronizing information correspondence at the time of, fiducial time equipment when Between information, so as to adjust the time of itself, reach the purpose of time synchronized.

Specifically, determined according to the 3rd local calibration parameter, the 4th local calibration parameter and the reference time information The time of fiducial time equipment can pass through formula：

Wherein, T₂On the basis of time device current time temporal information, T₁On the basis of temporal information, B₃It is local for the 3rd Calibration parameter, B₄For the 4th local calibration parameter, F is the clock count frequency of the first clockwork to be synchronized.Due to obtaining the Time interval between three local calibration parameters and the 4th local calibration parameter have passed through the process of information transmit-receive twice, and T1 It is the temporal information of reference clock equipment after reference clock equipment receives time synchronized solicited message, thus only experienced The transmitting-receiving of primary information, therefore to obtain the time interval between the 3rd local calibration parameter and the 4th local calibration parameter Half.

In the present embodiment, when the first clockwork completion clock count Frequency Synchronization and time synchronized to be synchronized, then It can determine that the first clockwork to be synchronized completes clock with reference clock equipment synchronous.

In S217, first clockwork to be synchronized obtains the synchronous chained list of default clock.

In the present embodiment, the first clockwork to be synchronized is after the clock synchronization operation of completion and reference clock equipment, The synchronous chained list of default clock will be obtained.According to the synchronous chained list of clock, as the reference clock equipment of next node equipment, to it Enter row clock synchronous.

In the present embodiment, obtaining the synchronous chained list of default clock can be：If the first clockwork memory to be synchronized In the synchronous chained list of existing default clock, then be directly read out；If the first clockwork storage to be synchronized is wherein not There is the synchronous chained list of default clock, can be to reference clock equipment or server acquisition request.

In S218, first clockwork to be synchronized judge itself whether be the synchronous chained list of the clock periproct Point.

In the present embodiment, whether the first clockwork to be synchronized will judge itself according to the synchronous chained list of default clock Tail node in chained list, if so, then performing S221 associative operation；Conversely, then being treated the equipment of next node as second Synchronous clock equipment, and perform S219 associative operation.

In S219, the first clockwork to be synchronized sends synchronous averaging to the second clockwork to be synchronized and instructed.

In the present embodiment, when the first clockwork to be synchronized judges itself non-tail node, then to the equipment of next node Clock synchronization operation is performed, using the equipment of next node as the second clockwork to be synchronized, synchronous averaging instruction is sent to, Then by above-mentioned clock synchronizing method, clock synchronization operation is performed.

In S220, the second clockwork to be synchronized sends to the first clockwork to be synchronized and synchronously completes instruction.

In the present embodiment, will be from periproct after all nodes of clock system are completed clock synchronization operation Point starts, and according to the synchronous chained list of default clock, backward is sent successively synchronously completes instruction.When the second equipment to be synchronized is received Synchronously complete instruction or the second equipment to be synchronized is tail node and completed after clock synchronization, by a upward node device, i.e., first Clockwork to be synchronized sends and synchronously completes instruction.

In S221, it is synchronous that first clockwork to be synchronized completes clock.

In the present embodiment, if the equipment in clock system is after completion is synchronous with the clock of a upper node device, Receive and synchronously complete instruction or judge from as tail node, then it represents that it has completed the synchronous flow of whole clock, can start Correlation needs the synchronous just achievable functional module of clock.

In S222, the first clockwork to be synchronized sends to reference clock equipment and synchronously completes instruction.

In the present embodiment, such as S220 description, when all nodes of clock system are completed clock synchronously behaviour , will be since tail node after work, according to the synchronous chained list of default clock, backward is sent successively synchronously completes instruction.And first treats The corresponding equipment of a node is the reference clock equipment in the embodiment of the present invention in synchronous clock equipment, thus is sent to same Step completes instruction.

In embodiments of the present invention, handed over by the information between reference clock equipment and the first clockwork to be calibrated Mutually, propagation delay time is eliminated for the synchronous influence of clock, realizes the clock synchronization of each equipment between clock system.It is another Aspect.According to the synchronous chained list of clock, each equipment is sequentially completed clock synchronization operation, realizes the synchronous mesh of the clock of master-slave mode , improve the coverage of clock synchronous network network.

Fig. 3 shows the flow chart of the synchronous method of equipment clock provided in an embodiment of the present invention, in the embodiment of the present invention In, the executive agent of flow is the first clockwork to be synchronized.Details are as follows：

In S301, if detecting the synchronous averaging instruction of reference clock equipment transmission, obtain the reference clock and set The frequency synchronization information that preparation is sent.

Because S301 is identical with the step S101 and S102 in a upper embodiment, specifically refers in an embodiment and walk Rapid S101 and S102 associated description, here is omitted.

In S302, according to default Frequency Synchronization is regular and the frequency synchronization information, by the clock count of itself The clock count frequency of frequency and the reference clock equipment is synchronized.

Because S302 is identical with the step S103 in a upper embodiment, step S103 in an embodiment is specifically referred to Associated description, here is omitted.

In S303, time synchronized solicited message is sent to the reference clock equipment.

Because S303 is identical with the step S104 in a upper embodiment, step S104 in an embodiment is specifically referred to Associated description, here is omitted.

In S304, the time that the acquisition reference clock equipment is sent according to the time synchronized solicited message is same Information is walked, according to default time synchronized is regular and the time synchronization information, by the time of itself and the reference clock The time of equipment synchronizes

Because S304 is identical with the step S106 in a upper embodiment, step S106 in an embodiment is specifically referred to Associated description, here is omitted.

Above as can be seen that a kind of synchronous method of equipment clock provided in an embodiment of the present invention equally can be according to benchmark The frequency synchronization information that clockwork is sent carries out Frequency Synchronization, and time synchronized is realized further according to time synchronization information, then real Current clock is synchronous, completes the Clock Synchronization Procedure of master-slave mode.Due to the embodiment of the present invention, only need reference clock equipment and treat same Step clockwork is communicatively coupled, and is that clock synchronization can be achieved according to data interaction, thus will not be limited by physical link, The scope of clock system is expanded, the synchronous efficiency of clock is improved.

Fig. 4 shows a kind of flow chart of the synchronous method for equipment clock that another embodiment of the present invention is provided, in this hair In bright embodiment, the executive agent of flow is the first clockwork to be synchronized.Referring to described in Fig. 4, one kind that the present embodiment is provided The synchronous method of equipment clock comprises the following steps, and details are as follows：

In S401, the synchronous averaging instruction of reference clock equipment transmission is detected.

Because S401 is identical with the step S101 in a upper embodiment, step S101 in an embodiment is specifically referred to Associated description, here is omitted.

Further, as another embodiment of the present invention, the frequency that the acquisition reference clock equipment is sent is same Step information is specifically included：

In S402, the first frequency synchronizing information that the reference clock equipment is sent is obtained；Wherein, the first frequency Synchronizing information includes the first synchronous calibration parameter of the reference clock equipment, and the first synchronous calibration parameter is according to the base The clock count frequency of quasi- clockwork is configured.

Because S402 is identical with the step S203 in a upper embodiment, step S203 in an embodiment is specifically referred to Associated description, here is omitted.

In S403, to the reference clock equipment transmission frequency sync response information.

Because S403 is identical with the step S205 in a upper embodiment, step S205 in an embodiment is specifically referred to Associated description, here is omitted.

In S404, the second frequency that the reception reference clock equipment is sent according to the Frequency Synchronization response message is same Walk information；Wherein, the second frequency synchronizing information includes calibration minislot parameter.

Because S404 is identical with the step S208 in a upper embodiment, step S208 in an embodiment is specifically referred to Associated description, here is omitted.

Further, the described first clockwork to be synchronized is according to default Frequency Synchronization is regular and the Frequency Synchronization Information, the clock count frequency of the clock count frequency of itself and the reference clock equipment is synchronized specially：

In S405, the first local calibration parameter and the second local calibration parameter are obtained；Wherein, the described first local school The corresponding numerical value of local calibration parameter, the second local calibration parameter when quasi- parameter is obtains the first frequency synchronizing information Local calibration parameter corresponding numerical value during to obtain the second frequency synchronizing information, when the local calibration parameter is according to first Clock count frequency is configured, and the first clock count frequency is the current clock count frequency of the first clockwork to be synchronized Rate.

Because S405 is identical with the step S204 and S209 in a upper embodiment, specifically refers in an embodiment and walk Rapid S204 and S209 associated description, here is omitted.

In S406, the calibration minislot parameter included in the second frequency synchronizing information is extracted.

Because S406 is identical with the step S210 in a upper embodiment, step S210 in an embodiment is specifically referred to Associated description, here is omitted.

In S407, according to the calibration minislot parameter, the first local calibration parameter, the second local calibration parameter and the One clock count frequency, the clock count frequency of the clock count frequency of itself and the reference clock equipment is synchronized.

Because S407 is identical with the step S210 in a upper embodiment, step S210 in an embodiment is specifically referred to Associated description, here is omitted.

In S408, time synchronized solicited message is sent to the reference clock equipment.

Because S408 is identical with the step S103 in a upper embodiment, step S103 in an embodiment is specifically referred to Associated description, here is omitted.

Further, as another embodiment of the present invention, it is described according to default time synchronized it is regular and described when Between synchronizing information, the time of the time of itself and the reference clock equipment synchronized consistent be specially：

In S409, the 3rd local calibration parameter and the 4th local calibration parameter are obtained；Wherein, the 3rd local calibration is joined Local calibration parameter corresponding numerical value when number is sends the time synchronized solicited message, the 4th local calibration parameter is acquisition institute Local calibration parameter corresponding numerical value when stating time synchronization information, the local calibration parameter is according to the first clockwork to be synchronized Clock count frequency after regulation is configured.

Because S409 is identical with the step S211 and S215 in a upper embodiment, specifically refers in an embodiment and walk Rapid S211 and S215 associated description, here is omitted.

In S410, the reference time information included in the time synchronization information is extracted.

Because S409 is identical with the step S215 in a upper embodiment, step S215 in an embodiment is specifically referred to Associated description, here is omitted.

In S411, believed according to the 3rd local calibration parameter, the 4th local calibration parameter and the fiducial time Breath, the time of itself and the time of the reference clock equipment are synchronized.

Because S411 is identical with the step S216 in a upper embodiment, step S216 in an embodiment is specifically referred to Associated description, here is omitted.

Further, as another embodiment of the present invention, it is same that first clockwork to be synchronized obtains the time Information is walked, according to default time synchronized is regular and the time synchronization information, by the time of itself and the reference clock The time of equipment also includes after synchronizing：

In S412, obtain the synchronous chained list of default clock, judge itself whether be the synchronous chained list of the clock periproct Point.

Because S412 is identical with the step S217 and S218 in a upper embodiment, specifically refers in an embodiment and walk Rapid S217 and S218 associated description, here is omitted.

In S413, if first clockwork to be synchronized is the tail node of the synchronous chained list of the clock, to described Reference clock equipment sends and synchronously completes instruction.

Because S413 is identical with the step S221 and S220 in a upper embodiment, specifically refers in an embodiment and walk Rapid S221 and S222 associated description, here is omitted.

In S4141, if the tail node of the first non-clock synchronization chained list of clockwork to be synchronized, according to institute State the synchronous chained list of clock and determine the second clockwork to be synchronized；Wherein described second clockwork to be synchronized treats same for described first The equipment for walking the next adjacent node of clockwork.

Because S4141 is identical with the step S218 in a upper embodiment, step S218 in an embodiment is specifically referred to Associated description, here is omitted.

In S4142, first clockwork to be synchronized sends the synchronization to the described second clockwork to be synchronized Enabled instruction.

Because S4142 is identical with the step S219 in a upper embodiment, step S219 in an embodiment is specifically referred to Associated description, here is omitted.

In S4143, if first clockwork to be synchronized receives the synchronization that the second clockwork to be synchronized is sent Instruction is completed, then is sent to the reference clock equipment and synchronously completes instruction.

Because S4141 is identical with the step S220 and S222 in a upper embodiment, specifically refer in an embodiment Step S220 and S222 associated description, here is omitted.

It can be seen that, implement the embodiment of the present invention again may be by reference clock equipment and the first clockwork to be calibrated it Between information exchange, eliminate propagation delay time for the synchronous influence of clock, realize each equipment between clock system when Clock is synchronous.On the other hand, according to the synchronous chained list of clock, each equipment is sequentially completed clock synchronization operation, realize master-slave mode when The synchronous purpose of clock, improves the coverage of clock synchronous network network.

Fig. 5 shows the flow chart of the synchronous method of equipment clock provided in an embodiment of the present invention, in the embodiment of the present invention In, clockwork on the basis of the executive agent of flow.Details are as follows：

In S501, synchronous averaging instruction is sent to the first clockwork to be synchronized.

Because S501 is identical with the step S101 in a upper embodiment, step S101 in an embodiment is specifically referred to Associated description, here is omitted.

In S502, to the described first clockwork transmission frequency synchronizing information to be synchronized, so that described first is to be synchronized Clockwork enters its clock count frequency with the reference clock equipment clock count frequency according to the frequency synchronization information Row is synchronous.

Because S502 is identical with the step S102 in a upper embodiment, step S102 in an embodiment is specifically referred to Associated description, here is omitted.

In S503, the time synchronized solicited message that the described first clockwork to be synchronized is sent is received.

Because S503 is identical with the step S104 in a upper embodiment, step S104 in an embodiment is specifically referred to Associated description, here is omitted.

In S504, time synchronized is sent to the described first clockwork to be synchronized according to the time synchronized solicited message Information so that first clock to be synchronized according to the time synchronization information by its time and the reference clock equipment when Between synchronize

Because S504 is identical with the step S105 in a upper embodiment, step S105 in an embodiment is specifically referred to Associated description, here is omitted.

It can be seen that, implement what the clockwork to be synchronized of the embodiment of the present invention first can equally be sent according to reference clock equipment Frequency synchronization information carries out Frequency Synchronization, and time synchronized is realized further according to time synchronization information, then realizes that clock is synchronous, completes The Clock Synchronization Procedure of master-slave mode.Due to the embodiment of the present invention, reference clock equipment and clockwork to be synchronized is only needed to carry out Communication connection, is that clock synchronization can be achieved according to data interaction, thus will not be limited by physical link, expands clock synchronous The scope of system, improves the synchronous efficiency of clock.

Fig. 6 shows a kind of flow chart of the synchronous method for equipment clock that another embodiment of the present invention is provided, in this hair In bright embodiment, clockwork on the basis of the executive agent of flow.Referring to described in Fig. 6, during a kind of equipment that the present embodiment is provided The synchronous method of clock comprises the following steps, and details are as follows：

In S601, synchronous averaging instruction is sent to the first clockwork to be synchronized.

Because S601 is identical with the step S101 in a upper embodiment, step S501 in an embodiment is specifically referred to Associated description, here is omitted.

Further, as another embodiment of the present invention, the reference clock equipment to transmission frequency synchronizing information extremely First clockwork to be synchronized so that first clockwork to be synchronized according to the frequency synchronization information by its clock Count frequency and the clock count frequency of the reference clock equipment are synchronized specially：

In S602, the first synchronous calibration parameter is obtained, it is same to send first frequency to the described first clockwork to be synchronized Walk information；Wherein, synchronous calibration parameter corresponding number when the first synchronous calibration parameter is sends first frequency synchronizing information Value, the first frequency synchronizing information includes the first synchronous calibration parameter, and the first synchronous calibration parameter is according to described The clock count frequency of reference clock equipment is configured.

Because S602 is identical with the step S202 and S203 in a upper embodiment, specifically refers in an embodiment and walk Rapid S202 and S203 identical associated descriptions, here is omitted.

In S603, the Frequency Synchronization response message that the described first clockwork to be synchronized is sent is received, and determine second Synchronous calibration parameter；Wherein, the second synchronous calibration parameter is synchronous calibration when receiving the Frequency Synchronization response message The corresponding numerical value of parameter.

Because S603 is identical with the step S205 and S206 in a upper embodiment, specifically refers in an embodiment and walk Rapid S205 and S206 identical associated descriptions, here is omitted.

In S604, according to the first synchronous calibration parameter and the second synchronous calibration parameter, it is determined that calibration time slot ginseng Number.

Because S604 is identical with the step S207 in a upper embodiment, step S207 phases in an embodiment are specifically referred to Same associated description, here is omitted.

In S605, second frequency synchronizing information is sent to the described first clockwork to be synchronized；Wherein, second frequency Rate synchronizing information includes the calibration minislot parameter.

Because S605 is identical with the step S208 in a upper embodiment, step S208 phases in an embodiment are specifically referred to Same associated description, here is omitted.

In S606, the time synchronized solicited message that the described first clockwork to be synchronized is sent is received.

Because S606 is identical with the step S104 in a upper embodiment, step S104 in an embodiment is specifically referred to Associated description, here is omitted.

Further, as another embodiment of the present invention, the reference clock equipment is to the described first clock to be synchronized Equipment send time synchronization information so that first clock to be synchronized according to the time synchronization information by its time with it is described The time of reference clock equipment synchronizes specially：

In S607, the reference time information of itself is obtained；Wherein, the reference time information is to receive the time Corresponding temporal information during synchronization request information.

Because S607 is identical with the step S213 in a upper embodiment, step S213 phases in an embodiment are specifically referred to Same associated description, here is omitted.

In S608, time synchronization information is sent to the described first clockwork to be synchronized；Wherein, the time synchronized letter Breath includes the reference time information.

Because S608 is identical with the step S214 in a upper embodiment, step S214 phases in an embodiment are specifically referred to Same associated description, here is omitted.

It can be seen that, implement the embodiment of the present invention again may be by reference clock equipment and the first clockwork to be calibrated it Between information exchange, eliminate propagation delay time for the synchronous influence of clock, realize each equipment between clock system when Clock is synchronous.On the other hand.According to the synchronous chained list of clock, each equipment is sequentially completed clock synchronization operation, realize master-slave mode when The synchronous purpose of clock, improves the coverage of clock synchronous network network.

Fig. 7 shows the synchronous equipment of clock provided in an embodiment of the present invention as knot during the first clockwork to be synchronized Structure block diagram, each unit that the synchronous equipment of the clock includes is used to perform each step in the corresponding embodiments of Fig. 3.It please specifically join Read the associated description in the embodiment corresponding to Fig. 3 and Fig. 3.For convenience of description, it illustrate only portion related to the present embodiment Point.

Referring to Fig. 7, the synchronous equipment of the clock includes：

Frequency synchronization information acquiring unit 71, if the synchronous averaging instruction for detecting the transmission of reference clock equipment, Obtain the frequency synchronization information that the reference clock equipment is sent；

Frequency Synchronization adjustment unit 72, will for according to default Frequency Synchronization is regular and the frequency synchronization information The clock count frequency of the clock count frequency of itself and the reference clock equipment is synchronized；

Time synchronized request unit 73, for sending time synchronized solicited message to the reference clock equipment；

Temporal information adjustment unit 74, sends out for obtaining the reference clock equipment according to the time synchronized solicited message The time synchronization information sent, according to default time synchronized is regular and the time synchronization information, by the time of itself Synchronized with the time of the reference clock equipment.

Alternatively, shown in Figure 8, in another embodiment, it is each that the synchronous equipment of clock in the embodiment includes Each step that unit is used in the corresponding embodiment of service chart 4, details are as follows：

Alternatively, frequency synchronization information acquiring unit is specifically included：

First frequency synchronizing information acquiring unit 801, the first frequency for obtaining the reference clock equipment transmission is same Walk information；Wherein, the first frequency synchronizing information includes the first synchronous calibration parameter of the reference clock equipment, described One synchronous calibration parameter is configured according to the clock count frequency of the reference clock equipment；

Sync response transmitting element 802, for the reference clock equipment transmission frequency sync response information；

Second frequency synchronizing information acquiring unit 803, for receiving the reference clock equipment according to the Frequency Synchronization The second frequency synchronizing information that response message is sent；Wherein, the second frequency synchronizing information includes calibration minislot parameter；

The Frequency Synchronization adjustment unit is specifically included：

First local calibration parameter acquiring unit 804, for obtaining the first local calibration parameter and the second local calibration Parameter；Wherein, local calibration parameter is corresponding when the described first local calibration parameter is obtains the first frequency synchronizing information Numerical value, local calibration parameter corresponding numerical value when the second local calibration parameter is obtains the second frequency synchronizing information, The local calibration parameter is started counting up with the first clock count frequency, when the first clock count frequency is first to be synchronized The current clock count frequency of clock equipment；

Time slot acquiring unit 805 is calibrated, for extracting the calibration minislot parameter included in the second frequency synchronizing information；

Clock count frequency adjustment unit 806, for according to the calibration minislot parameter, the first local calibration parameter, the Two local calibration parameters and the first clock count frequency, by the clock count frequency of itself and the reference clock equipment when Clock count frequency is synchronized.

Time synchronized request unit 807, for sending time synchronized solicited message to the reference clock equipment.

Alternatively, the temporal information adjustment unit is specifically included：

Second local calibration parameter acquiring unit 808, for obtaining the 3rd local calibration parameter and the 4th local calibration Parameter；Wherein, local calibration parameter corresponding numerical value when the 3rd local calibration parameter is sends the time synchronized solicited message, Local calibration parameter corresponding numerical value when 4th local calibration parameter is obtains the time synchronization information, the local calibration ginseng Several clock technology frequencies according to after the first clockwork regulation to be synchronized are configured；

Fiducial time extraction unit 809, for extracting the reference time information included in the time synchronization information；

Temporal information determining unit 810, for according to the 3rd local calibration parameter, the 4th local calibration parameter and The reference time information, the time of itself and the time of the reference clock equipment are synchronized.

Alternatively, the synchronous equipment of the clock also includes：

Clock synchronization chained list identifying unit 811, for obtaining the synchronous chained list of default clock, judges whether itself is described The tail node of clock synchronization chained list；

First synchronously completes instruction sending unit 812, if being that the clock is same for the described first clockwork to be synchronized The tail node of chained list is walked, then is sent to the reference clock equipment and synchronously completes instruction；

Second clockwork determining unit 8131 to be synchronized, if for the described first non-clock of clockwork to be synchronized The tail node of synchronous chained list, then determine the second clockwork to be synchronized according to the synchronous chained list of the clock；Wherein described second treats Synchronous clock equipment is the equipment of the described first next adjacent node of clockwork to be synchronized；

Synchronous averaging unit 8132, is instructed for sending the synchronous averaging to the described second clockwork to be synchronized；

Second synchronously completes instruction sending unit 8133, if for receiving the synchronization that the second clockwork to be synchronized is sent Instruction is completed, then is sent to the reference clock equipment and synchronously completes instruction.

Therefore, the frequency that the synchronous equipment of clock provided in an embodiment of the present invention can equally be sent according to reference clock equipment Rate synchronizing information carries out Frequency Synchronization, and time synchronized is realized further according to time synchronization information, then realizes that clock is synchronous, completes master From the Clock Synchronization Procedure of formula.Due to the embodiment of the present invention, reference clock equipment and clockwork to be synchronized is only needed to be led to Letter connection, is that clock synchronization can be achieved according to data interaction, thus will not be limited by physical link, expands clock synchronously system The scope of system, improves the synchronous efficiency of clock.

Fig. 9 shows the synchronous equipment of clock provided in an embodiment of the present invention as structural frames during reference synchronization equipment Figure, each unit that the synchronous equipment of the clock includes is used to perform each step in the corresponding embodiments of Fig. 5.Specifically refer to figure The associated description in embodiment corresponding to 5 and Fig. 5.For convenience of description, it illustrate only part related to the present embodiment.

Referring to Fig. 9, the synchronous equipment of the clock includes：

Synchronous averaging instruction sending unit 91, for sending synchronous averaging instruction to the first clockwork to be synchronized；

Frequency synchronization information transmitting element 92, for the described first clockwork transmission frequency synchronizing information to be synchronized, So that first clockwork to be synchronized according to the frequency synchronization information by its clock count frequency and the reference clock The clock count frequency of equipment is synchronized；

Time synchronized request reception unit 93, please for receiving the time synchronized that the described first clockwork to be synchronized is sent Seek information；

Time synchronization information transmitting element 94, for according to the time synchronized solicited message to described first it is to be synchronized when Clock equipment sends time synchronization information so that first clockwork to be synchronized according to the time synchronization information by its time Synchronized with the time of the reference clock equipment.

Alternatively, shown in Figure 10, in another embodiment, it is each that the synchronous equipment of clock in the embodiment includes Each step that unit is used in the corresponding embodiment of service chart 6, details are as follows：

Synchronous averaging instruction sending unit 1001, for sending synchronous averaging instruction to the first clockwork to be synchronized；

Alternatively, the Frequency Synchronization transmitting element is specifically included：

First frequency synchronizing information transmitting element 1002, for obtaining the first synchronous calibration parameter, treats same to described first Walk clockwork and send first frequency synchronizing information；Wherein, the first synchronous calibration parameter is synchronously believed to send first frequency Synchronous calibration parameter corresponding numerical value during breath, the first frequency synchronizing information includes the first synchronous calibration parameter, described First synchronous calibration parameter is configured according to the clock count frequency of the reference clock equipment；

Sync response information receiving unit 1003, for receiving the Frequency Synchronization that the described first clockwork to be synchronized is sent Response message, and determine the second synchronous calibration parameter；Wherein, the second synchronous calibration parameter is to receive the Frequency Synchronization Synchronous calibration parameter corresponding numerical value during response message；

Slot determining unit 1004 is calibrated, for according to the first synchronous calibration parameter and the second synchronous calibration ginseng Number, it is determined that calibration minislot parameter；

Second frequency synchronized transmission unit 1005, it is synchronous for sending second frequency to the described first clockwork to be synchronized Information；Wherein, the second frequency synchronizing information includes the calibration minislot parameter.

Time synchronized request reception unit 1006, for receiving the time synchronized that the described first clockwork to be synchronized is sent Solicited message；

Alternatively, the time synchronization information transmitting element is specifically included：

Reference time information acquiring unit 1007, for obtaining the reference time information of itself；Wherein, the fiducial time Information is to receive corresponding temporal information during the time synchronized solicited message；

Reference time information transmitting element 1008, for sending time synchronized letter to the described first clockwork to be synchronized Breath；Wherein, the time synchronization information includes the reference time information.

It can be seen that, the equipment for implementing the clock synchronization that the present embodiment is provided again may be by reference clock equipment and first Information exchange between clockwork to be calibrated, eliminates propagation delay time for the synchronous influence of clock, realizes clock synchronous The clock of each equipment is synchronous between system.On the other hand.According to the synchronous chained list of clock, each equipment is sequentially completed clock synchronization operation, The synchronous purpose of the clock of master-slave mode is realized, the coverage of clock synchronous network network is improved.

It is apparent to those skilled in the art that, for convenience of description and succinctly, only with above-mentioned each work( Energy unit, the division progress of module are for example, in practical application, as needed can distribute above-mentioned functions by different Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completion The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used To be that unit is individually physically present, can also two or more units it is integrated in a unit, it is above-mentioned integrated Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.In addition, each function list Member, the specific name of module are also only to facilitate mutually differentiation, is not limited to the protection domain of the application.Said system The specific work process of middle unit, module, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.

Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.

In embodiment provided by the present invention, it should be understood that disclosed apparatus and method, others can be passed through Mode is realized.For example, system embodiment described above is only schematical, for example, the division of the module or unit, It is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be with With reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed Coupling each other or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING of device or unit or Communication connection, can be electrical, machinery or other forms.

The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.

In addition, each functional module in each embodiment of the invention can be integrated in a processing unit, can also That modules are individually physically present, can also two or more modules it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.

If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used When, it can be stored in a computer read/write memory medium.Understood based on such, the technical scheme of the embodiment of the present invention The part substantially contributed in other words to prior art or all or part of the technical scheme can be with software products Form embody, the computer software product is stored in a storage medium, including some instructions are to cause one Computer equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform this hair The all or part of step of each embodiment methods described of bright embodiment.And foregoing storage medium includes：USB flash disk, mobile hard disk, Read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic Dish or CD etc. are various can be with the medium of store program codes.

Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing reality Example is applied the present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each Technical scheme described in embodiment is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed Or replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme, all should Within protection scope of the present invention.

Claims

1. a kind of synchronous method of equipment clock, it is characterised in that the synchronous method of the equipment clock includes：

If the first clockwork to be synchronized detects the synchronous averaging instruction of reference clock equipment transmission, when obtaining the benchmark The frequency synchronization information that clock equipment is sent；

First clockwork to be synchronized according to default Frequency Synchronization is regular and the frequency synchronization information, by itself The clock count frequency of clock count frequency and the reference clock equipment is synchronized；

First clockwork to be synchronized obtains what the reference clock equipment was sent according to the time synchronized solicited message The time synchronization information, according to default time synchronized is regular and the time synchronization information, by the time of itself and institute The time for stating reference clock equipment synchronizes.

2. the synchronous method of equipment clock according to claim 1, it is characterised in that the acquisition reference clock is set The frequency synchronization information that preparation is sent is specifically included：

First clockwork to be synchronized obtains the first frequency synchronizing information that the reference clock equipment is sent；Wherein, institute State the first synchronous calibration parameter that first frequency synchronizing information includes the reference clock equipment, the first synchronous calibration parameter It is configured according to the clock count frequency of the reference clock equipment；

First clockwork to be synchronized is to the reference clock equipment transmission frequency sync response information；

First clockwork to be synchronized receives what the reference clock equipment was sent according to the Frequency Synchronization response message Second frequency synchronizing information；Wherein, the second frequency synchronizing information includes calibration minislot parameter；

First clockwork to be synchronized according to default Frequency Synchronization is regular and the frequency synchronization information, by itself The clock count frequency of clock count frequency and the reference clock equipment is synchronized specially：

First clockwork to be synchronized obtains the first local calibration parameter and the second local calibration parameter；Wherein, it is described The corresponding numerical value of local calibration parameter, described second when first local calibration parameter is obtains the first frequency synchronizing information The corresponding numerical value of local calibration parameter, the local calibration parameter when ground calibration parameter is obtains the second frequency synchronizing information Be configured according to the first clock count frequency, the first clock count frequency be the first clockwork to be synchronized it is current when Clock count frequency；

First clockwork to be synchronized extracts the calibration minislot parameter included in the second frequency synchronizing information；

First clockwork to be synchronized is according to the calibration minislot parameter, the first local calibration parameter, the second local calibration Parameter and the first clock count frequency, by the clock count frequency of itself and the clock count frequency of the reference clock equipment Synchronize.

3. the synchronous method of equipment clock according to claim 2, it is characterised in that described according to default time synchronized Regular and described time synchronization information, the time of the time of itself and the reference clock equipment is synchronized specially：

First clockwork to be synchronized obtains the 3rd local calibration parameter and the 4th local calibration parameter；Wherein, the 3rd Local calibration parameter corresponding numerical value when local calibration parameter is sends the time synchronized solicited message, the 4th local calibration ginseng Local calibration parameter corresponding numerical value when number is obtains the time synchronization information, the local calibration parameter treats same according to first Clock count frequency after step clockwork regulation is configured；

First clockwork to be synchronized extracts the reference time information included in the time synchronization information；

First clockwork to be synchronized is according to the 3rd local calibration parameter, the 4th local calibration parameter and the base Quasi- temporal information, the time of itself and the time of the reference clock equipment are synchronized.

4. the synchronous method of the equipment clock according to claim any one of 1-3, it is characterised in that described first is to be synchronized Clockwork obtains the time synchronization information, according to default time synchronized is regular and the time synchronization information, incite somebody to action from The time of body and the time of the reference clock equipment also include after synchronizing：

First clockwork to be synchronized obtains the synchronous chained list of default clock, judges whether itself is the synchronous chain of the clock The tail node of table；

If first clockwork to be synchronized is the tail node of the synchronous chained list of the clock, first clock to be synchronized is set Standby sent to the reference clock equipment synchronously completes instruction；

If the tail node of the first non-clock synchronization chained list of clockwork to be synchronized, first clock to be synchronized is set It is standby that second clockwork to be synchronized is determined according to the synchronous chained list of the clock；Wherein described second clockwork to be synchronized is described The equipment of the first next adjacent node of clockwork to be synchronized；

First clockwork to be synchronized sends the synchronous averaging to the described second clockwork to be synchronized and instructed；

If what first clockwork to be synchronized received that the second clockwork to be synchronized sends synchronously completes instruction, to institute State the transmission of reference clock equipment and synchronously complete instruction.

5. a kind of synchronous method of equipment clock, it is characterised in that the synchronous method of the equipment clock includes：

The reference clock equipment is to the described first clockwork transmission frequency synchronizing information to be synchronized, so that described first treats same Clockwork is walked according to the frequency synchronization information by the clock count frequency of its clock count frequency and the reference clock equipment Rate is synchronized；

The reference clock equipment sends the time according to the time synchronized solicited message to the described first clockwork to be synchronized Synchronizing information so that first clock to be synchronized according to the time synchronization information by its time and the reference clock equipment Time synchronize.

6. the synchronous method of equipment clock according to claim 5, it is characterised in that the reference clock equipment is to transmission Frequency synchronization information is to the described first clockwork to be synchronized, so that first clockwork to be synchronized is same according to the frequency Step information synchronizes the clock count frequency of its clock count frequency and the reference clock equipment specially：

The reference clock equipment obtains the first synchronous calibration parameter, and first frequency is sent to the described first clockwork to be synchronized Synchronizing information；Wherein, synchronous calibration parameter is corresponding when the first synchronous calibration parameter is sends first frequency synchronizing information Numerical value, the first frequency synchronizing information includes the first synchronous calibration parameter, and the first synchronous calibration parameter is according to institute The clock count frequency for stating reference clock equipment is configured；

The reference clock equipment receives the Frequency Synchronization response message that the described first clockwork to be synchronized is sent, and determines the Two synchronous calibration parameters；Wherein, the second synchronous calibration parameter is synchronous school when receiving the Frequency Synchronization response message The corresponding numerical value of quasi- parameter；

The reference clock equipment is according to the first synchronous calibration parameter and the second synchronous calibration parameter, it is determined that calibration time slot Parameter；

The reference clock equipment sends second frequency synchronizing information to the described first clockwork to be synchronized；Wherein, described Two frequency synchronization informations include the calibration minislot parameter.

7. the synchronous method of equipment clock according to claim 6, it is characterised in that the reference clock equipment is to described First clockwork to be synchronized sends time synchronization information, so that first clock to be synchronized is according to the time synchronization information The time of its time and the reference clock equipment is synchronized specially：

The reference clock equipment obtains the reference time information of itself；Wherein, the reference time information is described to receive Corresponding temporal information during time synchronized solicited message；

The reference clock equipment sends time synchronization information to the described first clockwork to be synchronized；Wherein, the time is same Walking information includes the reference time information.

8. the synchronous equipment of a kind of clock, it is characterised in that the synchronous equipment of the clock includes：

Frequency synchronization information acquiring unit, if the synchronous averaging instruction for detecting the transmission of reference clock equipment, obtains institute State the frequency synchronization information of reference clock equipment transmission；

Frequency Synchronization adjustment unit, for according to default Frequency Synchronization is regular and the frequency synchronization information, by itself The clock count frequency of clock count frequency and the reference clock equipment is synchronized；

Temporal information adjustment unit, for obtaining the institute that the reference clock equipment is sent according to the time synchronized solicited message State time synchronization information, according to default time synchronized is regular and the time synchronization information, by the time of itself with it is described The time of reference clock equipment synchronizes.

9. the synchronous equipment of clock according to claim 8, it is characterised in that the frequency synchronization information acquiring unit tool Body includes：

First frequency synchronizing information acquiring unit, for obtaining the first frequency synchronizing information that the reference clock equipment is sent； Wherein, the first frequency synchronizing information includes the first synchronous calibration parameter of the reference clock equipment, and described first is synchronous Calibration parameter is configured according to the clock count frequency of the reference clock equipment；

Sync response transmitting element, for the reference clock equipment transmission frequency sync response information；

Second frequency synchronizing information acquiring unit, for receiving the reference clock equipment according to the Frequency Synchronization response message The second frequency synchronizing information of transmission；Wherein, the second frequency synchronizing information includes calibration minislot parameter；

The Frequency Synchronization adjustment unit is specifically included：

First local calibration parameter acquiring unit, for obtaining the first local calibration parameter and the second local calibration parameter；Its In, the corresponding numerical value of local calibration parameter, institute when the first local calibration parameter is obtains the first frequency synchronizing information Local calibration parameter corresponding numerical value when stating the second local calibration parameter to obtain the second frequency synchronizing information, it is described local Calibration parameter is configured according to the first clock count frequency, and the first clock count frequency is the first clockwork to be synchronized Current clock count frequency；

Time slot acquiring unit is calibrated, for extracting the calibration minislot parameter included in the second frequency synchronizing information；

Clock count frequency adjustment unit, for according to the calibration minislot parameter, the first local calibration parameter, the second local school Quasi- parameter and the first clock count frequency, by the clock count frequency of the clock count frequency of itself and the reference clock equipment Rate is synchronized.

10. the synchronous equipment of clock according to claim 9, it is characterised in that the temporal information adjustment unit is specific Including：

Second local calibration parameter acquiring unit, for obtaining the 3rd local calibration parameter and the 4th local calibration parameter；Its In, the corresponding numerical value of local calibration parameter, the 4th when the 3rd local calibration parameter is sends the time synchronized solicited message Ground calibration parameter for obtain the time synchronization information when the corresponding numerical value of local calibration parameter, the local calibration parameter according to Clock count frequency after first clockwork regulation to be synchronized is configured；

Temporal information determining unit, for extracting the reference time information included in the time synchronization information；According to described Three local calibration parameters, the 4th local calibration parameter and the reference time information, during by the time of itself and the benchmark The time of clock equipment synchronizes.

11. the equipment of the clock synchronization according to claim any one of 8-10, it is characterised in that the clock is synchronous to be set It is standby also to include：

Clock synchronization chained list identifying unit, for obtaining the synchronous chained list of default clock, judges whether itself is that the clock is same Walk the tail node of chained list；

First synchronously completes instruction sending unit, if being the synchronous chained list of the clock for the described first clockwork to be synchronized Tail node, then send to the reference clock equipment and synchronously complete instruction；

Second clockwork determining unit to be synchronized, if for the described first non-clock synchronization chained list of clockwork to be synchronized Tail node, then the second clockwork to be synchronized is determined according to the synchronous chained list of the clock；Wherein described second clock to be synchronized Equipment is the equipment of the described first next adjacent node of clockwork to be synchronized；

Synchronous averaging unit, is instructed for sending the synchronous averaging to the described second clockwork to be synchronized；

Second synchronously completes instruction sending unit, if synchronously completing finger for receive that the second clockwork to be synchronized sends Order, then send to the reference clock equipment and synchronously complete instruction.

12. the synchronous equipment of a kind of clock, it is characterised in that the synchronous equipment of the clock includes：

Frequency synchronization information transmitting element, for the described first clockwork transmission frequency synchronizing information to be synchronized, so that institute The first clockwork to be synchronized is stated according to the frequency synchronization information by its clock count frequency and the reference clock equipment Clock count frequency is synchronized；

Time synchronized request reception unit, letter is asked for receiving the time synchronized that the described first clockwork to be synchronized is sent Breath；

Time synchronization information transmitting element, for according to the time synchronized solicited message to the described first clockwork to be synchronized Send time synchronization information so that first clockwork to be synchronized according to the time synchronization information by its time with it is described The time of reference clock equipment synchronizes.

13. the synchronous equipment of clock according to claim 12, it is characterised in that the Frequency Synchronization transmitting element is specific Including：

First frequency synchronizing information transmitting element, for obtaining the first synchronous calibration parameter, sets to the described first clock to be synchronized Preparation send first frequency synchronizing information；Wherein, the first synchronous calibration parameter is synchronous during first frequency synchronizing information to send The corresponding numerical value of calibration parameter, the first frequency synchronizing information includes the first synchronous calibration parameter, and described first is synchronous Calibration parameter is configured according to the clock count frequency of the reference clock equipment；

Sync response information receiving unit, letter is responded for receiving the Frequency Synchronization that the described first clockwork to be synchronized is sent Breath, and determine the second synchronous calibration parameter；Wherein, the second synchronous calibration parameter is believed to receive the Frequency Synchronization response Synchronous calibration parameter corresponding numerical value during breath；

Slot determining unit is calibrated, for according to the first synchronous calibration parameter and the second synchronous calibration parameter, determining school Quasi- minislot parameter；

Second frequency synchronized transmission unit, for sending second frequency synchronizing information to the described first clockwork to be synchronized；Its In, the second frequency synchronizing information includes the calibration minislot parameter.

14. the synchronous equipment of clock according to claim 13, it is characterised in that the time synchronization information transmitting element Specifically include：

Reference time information acquiring unit, for obtaining the reference time information of itself；Wherein, the reference time information is to connect Receive corresponding temporal information during the time synchronized solicited message；

Reference time information transmitting element, for sending time synchronization information to the described first clockwork to be synchronized；Wherein, institute Stating time synchronization information includes the reference time information.