Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of gateway type EoC terminal and management system and management method, for solving prior art, EoC terminal is managed the problem of the exchange chip type that too much depends on EoC terminal.
For achieving the above object and other relevant objects, the invention provides a kind of gateway type EoC terminal and management system and management method.
A kind of gateway type EoC terminal, described gateway type EoC terminal comprises: EoC terminal, administrative client module, gateway module; The information of described EoC terminal transmission based on expansion MME information communication mechanism, described information comprises attribute of performance Query Information and service management configuration information; Described administrative client module is connected with described EoC terminal, to described EoC endpoint registration expansion MME message, and resolve the described information based on expansion MME information communication mechanism, inquire about and reply the attribute of performance of described gateway type EoC terminal according to described attribute of performance Query Information; Described gateway module is connected respectively with administrative client module with described EoC terminal, and the service management configuration information obtaining according to described administrative client module parses carries out service management configuration, and replys configuration result.
Preferably, described administrative client module runs on the chip at described EoC terminal place.
Preferably, the attribute of performance of described gateway type EoC terminal comprises the MAC Address of described gateway module, the MAC Address of EoC terminal; Described service management configuration information comprises that business configuration parameter, Management VLAN setting and the managing I P of described gateway module arrange.
Preferably, described attribute of performance Query Information comprises attribute of performance inquiry request message and attribute of performance response to query message; The form of described attribute of performance inquiry request message comprises query function index; The form of described attribute of performance response to query message comprises query function index, message interaction result and query function information; Described service management configuration information comprises service management configuring request message and service management configuration reply message; The form of described service management configuring request message comprises configuration feature index and configuration feature numerical value; The form that message is replied in described service management configuration comprises configuration feature index and message interaction result.
A management system for gateway type EoC terminal, the management system of described gateway type EoC terminal comprises gateway type EoC terminal and EoC head end; Described gateway type EoC terminal comprises: EoC terminal, administrative client module, gateway module; Described EoC terminal receives the information based on expansion MME information communication mechanism that described EoC head end sends, and described information comprises attribute of performance Query Information and service management configuration information; Described administrative client module is connected with described EoC terminal, to described EoC endpoint registration expansion MME message, and the information based on expansion MME information communication mechanism described in resolving, inquire about the attribute of performance of described gateway type EoC terminal according to described attribute of performance Query Information, and by described attribute of performance to reply to described EoC head end based on expansion MME information communication mechanism; Described gateway module is connected respectively with administrative client module with described EoC terminal, the service management configuration information obtaining according to described administrative client module parses carries out service management configuration, and by configuration result to reply to described EoC head end based on expansion MME information communication mechanism.
Preferably, the management system of described gateway type EoC terminal also comprise one with the described EoC head end background net management intelligent system being connected of communicating by letter, described background net management intelligent system authenticates described gateway type EoC terminal by described EoC head end, and issues mode to the gateway type EoC terminal transmission service management configuration information by certification with file; Described service management configuration information is packaged into the information based on expansion MME information communication mechanism by described EoC head end.
Preferably, described administrative client module runs on the chip at described EoC terminal place.
Preferably, the attribute of performance of described gateway type EoC terminal comprises the MAC Address of described gateway module, the MAC Address of EoC terminal; Described service management configuration information comprises that business configuration parameter, Management VLAN setting and the managing I P of described gateway module arrange.
Preferably, described attribute of performance Query Information comprises attribute of performance inquiry request message and attribute of performance response to query message; The form of described attribute of performance inquiry request message comprises query function index; The form of described attribute of performance response to query message comprises query function index, message interaction result and query function information; Described service management configuration information comprises service management configuring request message and service management configuration reply message; The form of described service management configuring request message comprises configuration feature index and configuration feature numerical value; The form that message is replied in described service management configuration comprises configuration feature index and message interaction result.
A kind of management method of gateway type EoC terminal management system, the management method of described gateway type EoC terminal comprises: the EoC terminal in gateway type EoC terminal receives the information based on expansion MME information communication mechanism that an EoC head end sends, and described information comprises attribute of performance Query Information and service management configuration information; Administrative client module in gateway type EoC terminal is to described EoC endpoint registration expansion MME message, and the information based on expansion MME information communication mechanism described in resolving, inquire about the attribute of performance of described gateway type EoC terminal according to resolving the attribute of performance Query Information obtaining, and by described attribute of performance to reply to described EoC head end based on expansion MME information communication mechanism; The service management configuration information that gateway module in gateway type EoC terminal obtains according to described administrative client module parses carries out service management configuration, and make described administrative client module by configuration result to reply to described EoC head end based on expansion MME information communication mechanism.
Preferably, the management method of described gateway type EoC terminal also comprises: background net management intelligent system authenticates described gateway type EoC terminal by described EoC head end, and issues mode to the gateway type EoC terminal transmission service management configuration information by certification with file; The information that described EoC head end is packaged into described service management configuration information based on expansion MME information communication mechanism sends to described by the gateway type EoC terminal of certification.
Preferably, the detailed process that described background net management intelligent system authenticates described gateway type EoC terminal by described EoC head end comprises: after gateway type EoC terminal starts, administrative client module in described gateway type EoC terminal reads the attribute of performance of described gateway type EoC terminal, and to described gateway type EoC endpoint registration expansion MME message; EoC head end is received after the message that described gateway type EoC terminal reaches the standard grade, to send described attribute of performance Query Information to the administrative client module in described gateway type EoC terminal based on expansion MME information communication mechanism; Administrative client module in described gateway type EoC terminal with the attribute of performance of replying described gateway type EoC terminal based on expansion MME information communication mechanism to described EoC head end; Described EoC head end sends authentication information to described background net management intelligent system the identity of described gateway type EoC terminal is authenticated; Described authentication information comprises the MAC Address of EoC terminal and the MAC Address of gateway module in described gateway type EoC terminal.
Preferably, the administrative client module in described gateway type EoC terminal comprises according to resolving the detailed process that the attribute of performance Query Information obtaining inquires about the attribute of performance of described gateway type EoC terminal and reply Query Result: described EoC head end sends attribute of performance inquiry request message based on expansion MME information communication mechanism to described gateway type EoC terminal; The form of described attribute of performance inquiry request message comprises query function index; Attribute of performance inquiry request message described in administrative client module parses in described gateway type EoC terminal, obtain performance attribute query information, and the attribute of performance of described gateway type EoC terminal is packaged into attribute of performance response to query message sends to described EoC head end; The form of described attribute of performance response to query message comprises query function index, message interaction result and query function information.
Preferably, the detailed process that the service management configuration information that the gateway module in described gateway type EoC terminal obtains according to described administrative client module parses carries out service management configuration and replys configuration result comprises: described EoC head end sends service management configuring request message based on expansion MME information communication mechanism to described gateway type EoC terminal; The form of described service management configuring request message comprises configuration feature index and configuration feature numerical value; Service management configuring request message described in administrative client module parses in described gateway type EoC terminal, obtains service management configuration information; Gateway module in described gateway type EoC terminal carries out service management configuration according to described service management configuration information, and service management configuration result is sent to described administrative client module; Described administrative client module is packaged into service management configuration reply message by described service management configuration result and sends to described EoC head end; The form that message is replied in described service management configuration comprises configuration feature index and message interaction result.
Preferably, the attribute of performance of described gateway type EoC terminal comprises the MAC Address of described gateway module, the MAC Address of EoC terminal; Described service management configuration information comprises that business configuration parameter, Management VLAN setting and the managing I P of described gateway module arrange.
As mentioned above, gateway type EoC terminal of the present invention and management system and management method, there is following beneficial effect: the invention solves EoC terminal is managed to the problem that too much depends on the exchange chip type of EoC terminal and exist, user can require expansion MME message to define and be registered to EoC terminal according to management function, thereby the specific concrete administration order of EoC terminal switch chip and parameter format are shielded, simultaneously, also be convenient to EoC head end the EoC terminal of different manufacturer is managed, support EoC system interconnecting in management level.
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to accompanying drawing.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.
Embodiment mono-
The present embodiment provides a kind of gateway type EoC terminal, and as shown in Figure 1, described gateway type EoC terminal 100 comprises: EoC terminal 101, administrative client module 102, gateway module 103; Described administrative client module 102 is connected with described EoC terminal 101, and described gateway module 103 is connected respectively with administrative client module 102 with described EoC terminal 101.
Described EoC terminal 101 is transmitted the information based on expansion MME information communication mechanism, and described information comprises attribute of performance Query Information and service management configuration information.
Described administrative client module 102 is to described EoC terminal 101 registration expansion MME message, and the information based on expansion MME information communication mechanism described in resolving, and inquires about and reply the attribute of performance of described gateway type EoC terminal according to described attribute of performance Query Information.In the present embodiment, described administrative client module 102 can, for running on the module on the chip at described EoC terminal 101 places, can be also independent chip module.Particularly, the attribute of performance of described gateway type EoC terminal 100 comprises the MAC Address of described gateway module 102, the MAC Address of EoC terminal 101.Described attribute of performance Query Information comprises attribute of performance inquiry request message and attribute of performance response to query message; The form of described attribute of performance inquiry request message comprises query function index; The form of described attribute of performance response to query message comprises query function index, message interaction result and query function information.
Described gateway module 103 is resolved according to described administrative client module 102 the service management configuration information obtaining and is carried out service management configuration, and replys configuration result.Particularly, described service management configuration information comprises that business configuration parameter, Management VLAN setting and the managing I P of described gateway module arrange.In the present embodiment, described service management configuration information comprises service management configuring request message and service management configuration reply message; The form of described service management configuring request message comprises configuration feature index and configuration feature numerical value; The form that message is replied in described service management configuration comprises configuration feature index and message interaction result.
Embodiment bis-
The present embodiment provides a kind of management system of gateway type EoC terminal, and as shown in Figure 2, the management system 200 of described gateway type EoC terminal comprises gateway type EoC terminal 210, EoC head end 220, background net management intelligent system 230; Described EoC head end 220 is connected respectively with background net management intelligent system 230 with EoC head end 220.
Described gateway type EoC terminal 210 comprises: EoC terminal 211, administrative client module 212, gateway module 213; Described EoC terminal 211 receives the information based on expansion MME information communication mechanism that described EoC head end 220 sends, and described information comprises attribute of performance Query Information and service management configuration information; Described administrative client module 212 is connected with described EoC terminal 211, to described EoC endpoint registration expansion MME message, and the information based on expansion MME information communication mechanism described in resolving, inquire about the attribute of performance of described gateway type EoC terminal according to described attribute of performance Query Information, and by described attribute of performance to reply to described EoC head end 220 based on expansion MME information communication mechanism; Described gateway module 213 is connected respectively with administrative client module 212 with described EoC terminal 211, the service management configuration information obtaining according to described administrative client module parses carries out service management configuration, and by configuration result to reply to described EoC head end based on expansion MME information communication mechanism.In the present embodiment, described administrative client module 212 can, for running on the module on the chip at described EoC terminal 211 places, can be also independent chip module.Particularly, the attribute of performance of described gateway type EoC terminal 210 comprises the MAC Address of described gateway module, the MAC Address of EoC terminal; Described service management configuration information comprises that business configuration parameter, Management VLAN setting and the managing I P of described gateway module arrange.Further, described attribute of performance Query Information comprises attribute of performance inquiry request message and attribute of performance response to query message; The form of described attribute of performance inquiry request message comprises query function index; The form of described attribute of performance response to query message comprises query function index, message interaction result and query function information; Described service management configuration information comprises service management configuring request message and service management configuration reply message; The form of described service management configuring request message comprises configuration feature index and configuration feature numerical value; The form that message is replied in described service management configuration comprises configuration feature index and message interaction result.
Described background net management intelligent system 230 authenticates described gateway type EoC terminal 210 by described EoC head end 220, and issues mode to sending service management configuration information by the gateway type EoC terminal 210 of certification with file; Described service management configuration information is packaged into the information based on expansion MME information communication mechanism by described EoC head end 220.
Fig. 3 has described the structure of the concrete application system of the management system of gateway type EoC terminal described in the present embodiment, and Fig. 4 has described the method for work flow process of the concrete application system of the management system of this gateway type EoC terminal.The way to manage of gateway type EoC terminal is comprised to intelligent management, TR069 management, the CLI/Web way to manage based on snmp protocol.Automatic Configuration Server (ACS) (being TR069 management platform) and background net management intelligent management system are to be all operated in the aspect of optical line terminal (OLT), and CLI/Web management platform is operated on EOC head end.OLT is usually located under central office or controlled environment, is digital terminal equipment.ODN Main Function is to providing transmission line between OLT and ONU.ONU is the data terminal equipment of optical access network, in EPON+EoC system applies, often ONU and multiple EoC head end is integrated on an equipment and provides access function to EoC terminal, and each EoC head end can be connected with multiple gateway type EoC terminals.Whole coaxial cable access network network in the control of EoC head end, is responsible for the access of EoC terminal, carries out transfer of data by coaxial cable distribution net network and EoC terminal simultaneously, and data retransmission all completes by EOC head end with exchange.Meanwhile, in gateway type EoC terminal, embed administrative client module and set up management channels, to realize the management of network management platform to EoC terminal.
Embodiment tri-
The present embodiment provides a kind of management method of gateway type EoC terminal management system, and wherein said gateway type EoC terminal management system is the system described in embodiment bis-, and as shown in Figure 5, the management method of described gateway type EoC terminal comprises:
Background net management intelligent system authenticates described gateway type EoC terminal by described EoC head end, and issues mode to the gateway type EoC terminal transmission service management configuration information by certification with file; The information that described EoC head end is packaged into described service management configuration information based on expansion MME information communication mechanism sends to described by the gateway type EoC terminal of certification.Be EoC head end to the backstage network managing intelligent system transmitting terminal authentication information of reaching the standard grade, authentication information comprises the MAC Address of EoC terminal and the MAC Address of gateway chip.Background net management intelligent system utilizes configuration file to issue mode after completing this terminal authentication being passed through, and related service configuration, Management VLAN setting and the managing I P of home gateway are arranged and be handed down to EoC head end.Described managing I P comprises subnet mask, IP gateway, ACS URL, DNS IP etc.
Particularly, as shown in Figure 6, the detailed process that described background net management intelligent system authenticates described gateway type EoC terminal by described EoC head end comprises:
After gateway type EoC terminal starts, the administrative client module in described gateway type EoC terminal reads the attribute of performance of described gateway type EoC terminal, and to described gateway type EoC endpoint registration expansion MME message;
EoC head end is received after the message that described gateway type EoC terminal reaches the standard grade, to send described attribute of performance Query Information to the administrative client module in described gateway type EoC terminal based on expansion MME information communication mechanism;
Administrative client module in described gateway type EoC terminal with the attribute of performance of replying described gateway type EoC terminal based on expansion MME information communication mechanism to described EoC head end;
Described EoC head end sends authentication information to described background net management intelligent system the identity of described gateway type EoC terminal is authenticated; Described authentication information comprises the MAC Address of EoC terminal and the MAC Address of gateway module in described gateway type EoC terminal.
EoC terminal in gateway type EoC terminal receives the information based on expansion MME information communication mechanism that an EoC head end sends, and described information comprises attribute of performance Query Information and service management configuration information.Wherein, the attribute of attribute of performance Query Information is OAS_EXTENDED, and the attribute of service management configuration information is TRANSPARENT; The expansion MME of OAS_EXTENDED type is by administrative client resume module and reply, and the expansion MME of TRANSPARENT type passes through gateway module by administrative client module and processes and reply.
The present invention has adopted TLV(type-length-value) structure defines expansion MME message.Expansion MME comprises two types of OAS_EXTENDED and TRANSPARENT, corresponding to this expansion MME message of two types, has two kinds of operations of Get and Set.Get operation is for the functional inquiry operation to EoC terminal or gateway module, as the expansion MME that obtains attribute of performance is exactly the Get operation to EOC terminal, and the current configuration information obtaining on gateway module is the Get operation to gateway module.In Get operation mutual, have request and confirm( ask and reply) two kinds of messages, wherein in requet message, fill query function index; And in confirm message, can fill feature index and message interaction result, if successfully also will fill the information of function.Compared with Get operation, Set operation is the functional configuration operation to EOC terminal and gateway module, and Set operating interactive has request and confirm( ask and reply equally) two kinds of messages, but slightly different on filling; In request, not only to fill configuration feature index, also will fill the numerical value of configuration feature.And only can fill feature index and message interaction result in confirm.Specific implementation process is as follows, referring to Fig. 7 and Fig. 8.
Administrative client module in gateway type EoC terminal is to described EoC endpoint registration expansion MME message, and the information based on expansion MME information communication mechanism described in resolving, inquire about the attribute of performance of described gateway type EoC terminal according to resolving the attribute of performance Query Information obtaining, and by described attribute of performance to reply to described EoC head end based on expansion MME information communication mechanism.Wherein, the attribute of performance of described gateway type EoC terminal includes but not limited to the MAC Address of described gateway module, the MAC Address of EoC terminal.Be that administrative client module in gateway type EoC terminal is by the i.e. abbreviation of the information based on expansion MME information communication mechanism of the expansion MME(receiving) pass through gateway module, before transparent transmission, administrative client module is replaced source MAC and the object MAC of expansion MME, source MAC replaces to the MAC of EoC terminal, and object MAC replaces to the MAC of gateway.Gateway module is received analytic message content after expansion MME, and configuration related service parameter, Management VLAN setting and managing I P such as arrange at the relevant parameter, and configuration result is expanded to MME response EoC terminal by transmission.Administrative client module in gateway type EoC terminal is received after the expansion MME of gateway module response, source MAC and object MAC to expansion MME replace, source MAC replaces to the MAC of EoC terminal, and object MAC replaces to the MAC of EoC head end, and the message of replacement is transmitted to EoC head end by coaxial mouth.
Particularly, as shown in Figure 9, the administrative client module in described gateway type EoC terminal comprises according to resolving the detailed process that attribute of performance (also the claiming Capability attribute) Query Information obtaining inquires about the attribute of performance of described gateway type EoC terminal and reply Query Result:
The attribute of performance inquiry request message of described EoC head end transmission based on expansion MME information communication mechanism is to described gateway type EoC terminal; The form of described attribute of performance inquiry request message comprises query function index;
Attribute of performance inquiry request message described in administrative client module parses in described gateway type EoC terminal, obtain performance attribute query information, and the attribute of performance of described gateway type EoC terminal is packaged into attribute of performance response to query message sends to described EoC head end; The form of described attribute of performance response to query message comprises query function index, message interaction result and query function information.
The service management configuration information that gateway module in gateway type EoC terminal obtains according to described administrative client module parses carries out service management configuration, and make described administrative client module by configuration result to reply to described EoC head end based on expansion MME information communication mechanism.Wherein, described service management configuration information comprises but the business configuration parameter, Management VLAN setting and the managing I P that are not limited to described gateway module arranges.
Particularly, as shown in figure 10, the detailed process that the service management configuration information that the gateway module in described gateway type EoC terminal obtains according to described administrative client module parses carries out service management configuration and replys configuration result comprises:
The service management configuring request message of described EoC head end transmission based on expansion MME information communication mechanism is to described gateway type EoC terminal; The form of described service management configuring request message comprises configuration feature index and configuration feature numerical value;
Service management configuring request message described in administrative client module parses in described gateway type EoC terminal, obtains service management configuration information;
Gateway module in described gateway type EoC terminal carries out service management configuration according to described service management configuration information, and service management configuration result is sent to described administrative client module;
Described administrative client module is packaged into service management configuration reply message by described service management configuration result and sends to described EoC head end; The form that message is replied in described service management configuration comprises configuration feature index and message interaction result.
EoC head end is received after the result of gateway module configuration successful, sets up the incidence relation of EoC terminal and gateway module in this locality, and preserves the relevant configuration information of gateway to check and manage.
Home gateway, obtaining after the relevant parameters such as configuration management VLAN and managing I P (containing subnet mask, IP gateway, ACS URL, DNS IP), can start to set up being connected of TR069 between ACS, just can pass through the management of TR069 agreement to gateway.
Of the present invention mainly to realize principle as follows: user, according to management function requirement, adopts TLV(type-length-value) structure defines expansion MME message, embeds the administrative client module for the treatment of the MME message of expansion in gateway type EoC terminal; The expansion MME type of registered user's definition in gateway type EoC terminal, transfers to administrative client resume module with the information based on expansion MME information communication mechanism that the EoC terminal in gateway type EoC terminal is received; Realize mutual based on expansion MME information communication mechanism information between EoC head end and gateway type EoC terminal by the relay function of administrative client module; Carry out business configuration by the information based on expansion MME information communication mechanism, thereby form the management channels based on expansion MME, realized the management of EoC terminal being carried out to existing any-mode (as TR069 mode).
The present invention is based on expansion MME information communication mechanism manages gateway type EoC terminal equipment, set up management channels by the automated validation to gateway type EoC terminal and business configuration (the isoparametric configuration of VLAN, managing I P), the functions such as configuration management, performance management and the fault management of realization to EoC terminal, support the way to manages such as TR069, SNMP, CLI/Web.
The invention solves EoC terminal is managed to the problem that too much depends on the exchange chip type of EoC terminal and exist, user can require expansion MME message to define and be registered to EoC terminal according to management function, thereby the specific concrete administration order of EoC terminal switch chip and parameter format are shielded, simultaneously, also be convenient to EoC head end the EoC terminal of different manufacturer is managed, support EoC system interconnecting in management level.
In addition, the present invention has also enriched the management function to EoC terminal, realized the management to gateway by expansion MME information communication mechanism, the scope of management can comprise that WAN connection, PPPoE agent functionality, WLAN arrange, home gateway is safeguarded Account Administration, ALG functional switch, log management, subscriber information management, DHCP OPTION60 function, network service management, management platform URL etc.
Embodiment tetra-
The present embodiment is example with the EoC system based on HomeplugAV (adopt ATHEROS7400 family chip, head end adopts 7410, and terminal adopts 7411), and the management method described in management system and embodiment tri-described in embodiment bis-is described particularly.As shown in figure 11, in EoC system based on HomeplugAV, the gateway type EoC terminal of connecting band AR9331 gateway chip under EoC headend, what the EoC terminal in gateway type EoC terminal adopted is AR7411 chip, what administrative client module adopted is OAS Client module.
Figure 11 is shown as background net management intelligent system gateway type EoC terminal is managed for configuration, and to configure WAN linkage function as example, the detailed process of configuration management is:
First,, after gateway type EoC terminal powers on, administrative client module reads the attribute of performance of gateway type EoC terminal in the time that MME type is expanded in AR7411 registration.
EoC head end sends the expansion MME request message that obtains attribute of performance to AR7411 after receiving the message that gateway type EoC terminal reaches the standard grade, AR7411 sends to administrative client module after receiving expansion MME request message, the attribute of performance of the gateway type EoC terminal that administrative client module reads when powering on is packaged into expansion MME and replys message and send to AR7411 again, sends to EoC head end by AR7411.
EoC head end receives that expansion MME replys the MAC Address that parses AR9331 after message, and the local incidence relation of preserving AR7411 and AR9331.EoC head end sends authentication information trap to backstage network managing intelligent system subsequently, and trap delivers to background net management intelligent system after ONU and OLT network.
The association attributes (comprising configurations such as VLAN, IP, QOS) that background net management intelligent system connects WAN is handed down to EoC head end with the form of configuration file.
EoC head end is resolved translation to it after receiving configuration file, then analysis result is packaged into expansion MME request message and sends to AR7411, then be transmitted to administrative client module by AR7411.Administrative client module is modified as the source MAC of expansion MME request message the MAC Address of AR7411, and target MAC (Media Access Control) address is modified as the MAC Address of AR9331, then is sent to AR9331 by AR7411.AR9331 resolves and carries out WAN connection configuration the expansion MME receiving, configure rear encapsulation expansion MME reply message and be sent to AR7411, go to administrative client module by AR7411 again and replace the MAC Address that source MAC is AR7411, target MAC (Media Access Control) address replaces with the MAC of EoC head end, finally be given to AR7411, send to EoC head end by AR7411.
EoC head end is resolved the expansion MME replying and is checked configuration result.
In sum, the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.