CN102736565B - Communication method of automatic control equipment based on upper and lower computer structures - Google Patents
Communication method of automatic control equipment based on upper and lower computer structures Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a communication method of automatic control equipment based on upper and lower computer structures. A template data processing module is arranged in an upper computer system. A query/response mechanism general communication method processing module is arranged in the lower computer system. The template data processing module dynamically generates query/response protocol general communication data in accordance with template data according to a parameter set to external equipment by a user and downloads the general communication data to the lower computer system. The query/response mechanism general communication method processing module reads the general communication data of the corresponding equipment when it is needed, analyzes the data, communicates with the external equipment and returns the received response data to the upper computer system. By using the method of the invention, supports to the new equipment and the new communication protocol can be realized under the condition that system software is not updated so that software updating and maintenance costs after the new equipment is added are greatly reduced, an automatic control mode is flexible and is convenient for capacity expanding.
Description
The present invention relates to a kind of communication means, relate in particular to a kind of automation control appliance based on upper and lower machine structure, do not need to change system software and just can realize the communication means of the support to new equipment, new traffic agreement, belong to automation control appliance production field.
Background technology
Current, in industrial automatic control field, communication class protocol application based on inquiry/acknowledgement mechanism is very extensive, as all used this class communication protocol widely in the bus interface such as I2C, SPI, serial communication (RS232, RS422, RS485 etc.), CAN bus.
Communicate in order to realize with above-mentioned bus apparatus, current way is all to adopt in this end system, to adopt the form of hard coded to solidify corresponding communication protocol, adopts this communication protocol to communicate with corresponding equipment.This mode exists a problem: in the time need to adding the equipment that cannot support in a kind of current system or communication protocol, cannot in the situation that not revising system code, provide support to new equipment (using new communication protocol).If this emerging equipment is supported, need in system software (comprising the software of master system and lower computer system), insert the handling procedure of this device protocol by hard coded, then upgrade the software of whole system.Which must, by improving the later maintenance cost of system, increase software version management difficulty, brings extra troublesome maintenance to the client who uses simultaneously, is unfavorable for the dilatation of automation control appliance and the development of robotization control industry.
Summary of the invention
Object of the present invention is exactly the communication means that a kind of automation control appliance based on upper and lower machine structure is provided in order to address the above problem, and this method does not need to change system software just can realize the support to new equipment, new traffic agreement.
To achieve these goals, the present invention has adopted following technical scheme:
The present invention is for realizing the interactive communication between user interface, master system, lower computer system and external unit, its innovation is: template data processing module and template database are set in master system, inquiry/acknowledgement mechanism universal communication method processing module is set in lower computer system, the data of described template database comprise the list of devices of each external unit, device context, protocol list, protocol description data and descriptor definition table, described template data processing module is the parameters to external unit according to user, dynamically according to template data generated query/response protocol all purpose communication data, and described all purpose communication data down transmission to lower computer system, simultaneously, the untreated reply data that described template data processing module is returned lower computer system according to template configuration data carries out dynamic analysis, and the data after resolving are submitted to user interface according to format of user data, the described all purpose communication data that lower computer system issues described template data processing module are stored, the all purpose communication data that described inquiry/acknowledgement mechanism universal communication method processing module reads corresponding device are when needed resolved, and send corresponding query statement to corresponding external unit, wait for and receive the reply data of external unit, receiving after the reply data of described external unit, do not resolve as required described reply data, or according to the protocol data of configuration, described reply data is resolved and obtains to resolve rear data, and data after the described reply data of not resolving or parsing are turned back to master system.
Due to template data processing module according to user the parameters to external unit, dynamically according to template data generated query/response protocol all purpose communication data, and described all purpose communication data down transmission to lower computer system, inquiry/acknowledgement mechanism universal communication method processing module reads when needed all purpose communication data of corresponding device and resolves, again and between external unit, carry out interactive communication, and reply data is turned back to master system, thereby formation user interface, master system, interactive communication between lower computer system and external unit, complete the robotization control to external unit, and can increase arbitrarily the external unit based on inquiry/response protocol, can realize the robotization control to new equipment through the process (only need to add the abstractdesription data of one group of this new equipment or agreement in local terminal master system database) of relatively simplifying, do not need system software to do (comprising the software of master system and lower computer system) processing of any replacing or upgrading.
Particularly, the list of devices of described external unit is to record the device name that can provide support in current database, the list of unit type, use a unique ID value to carry out mark to each unit type, in a template data processing module, only has a unit type list, each unit type list can be recorded several unit types, uses device id value to retrieve; Described device context is the details of corresponding device in recording unit list, comprises and describes the communication interface that this equipment uses, and the messaging parameter of the default parameters of this communication interface configuration; Described protocol list is: use a unique ID value to carry out mark to each Content of Communication, and the various information of record communication content, the corresponding protocol list of each unit type, each protocol list can record several Content of Communication; Described protocol description data are the data that the descriptor that defines in use system is described Content of Communication, and described protocol description data are divided into two parts, are respectively used to describe query statement and the device acknowledge data of this Content of Communication; Described descriptor definition table, for recording No. ID and corresponding description definition data of the descriptor that each protocol description data use, for described protocol description data.
Described all purpose communication data comprise external device communication supplemental characteristic, querying command data and reply data parsing description.Wherein, the communication interface that external device communication supplemental characteristic uses when describing external device communication, and the information such as interface parameters, time-out time, if had the data of this equipment in slave computer, can issue again; Querying command data refer to need to send to the querying command data of external unit in the time carrying out this communication; Whether reply data is resolved and is described the data composition information that has recorded the reply data of external unit to this querying command, correct for analyzing the reply data returning, and obtains and calculate the data value that user finally needs.
Described template data processing module generate described inquiry/response protocol all purpose communication data and under pass to lower computer system flow process be: beginnings → user selects external unit model, Content of Communication and parameter → template data processing module to receive user's configuration data → retrieval facility type specification data → retrieve corresponding Content of Communication data of description → retrieval descriptor definition table → generation common communication protocol data → transmission common communication protocol data to arrive lower computer system → end.
Described inquiry/acknowledgement mechanism universal communication method processing module with the communication process between described external unit and described master system is: if beginning → slave computer module receives configuration data → initialize communications port of communicating by letter corresponding to instruction that certain equipment is communicated with Content of Communication → retrieve → send the query statement → wait external device response → wait timeout in configuration data to external unit, return to mistake, if receive answer number, if according to judge according to configuration data reply data whether legal → do not conform to rule to return to mistake, if legal, return results data → do not need if judge whether to resolve, return to the data of not resolving and finish single job to master system, if needed, parse according to configuration data the data → return to the data → end single job after parsing to master system that user needs.
Beneficial effect of the present invention is:
As from the foregoing, by the present invention, can realize and under the prerequisite of not upgrading host computer and lower computer system software, realize the support to the new equipment communicating based on inquiry/acknowledgement mechanism, new traffic agreement, only need in template database, increase corresponding configuration data, operate also very simple; Owing to not needing that the each software of system is changed or upgraded, so thereby the present invention has greatly reduced the software upgrading that increases after new equipment, New Deal and the cost of maintenance, reduce version management difficulty, alleviate the software maintenance burden that uses client, improve client's user satisfaction, make robotization control mode more flexible, and be convenient to the dilatation of automation control appliance and the development of robotization control industry.
Brief description of the drawings
Fig. 1 is systematic schematic diagram of the present invention;
Fig. 2 is the schematic block diagram of template database composition in the present invention;
Fig. 3 is the schematic block diagram of all purpose communication data composition in the present invention;
Fig. 4 is the process flow diagram of template data processing module deal with data in the present invention;
Fig. 5 is the process flow diagram of inquiry/acknowledgement mechanism universal communication method processing module deal with data in the present invention;
Fig. 6 is the system chart of specific embodiment in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described in detail:
As shown in Figure 1, the part in figure in dotted line frame is system architecture involved in the present invention, and template data processing module and template database are set in master system, and inquiry/acknowledgement mechanism universal communication method processing module is set in lower computer system, the data of described template database comprise the list of devices of each external unit, device context, protocol list, protocol description data and descriptor definition table, described template data processing module is the parameters to external unit according to user, dynamically according to template data generated query/response protocol all purpose communication data, and described all purpose communication data down transmission to lower computer system, simultaneously, the untreated reply data that described template data processing module is returned lower computer system according to template configuration data carries out dynamic analysis, and the data after resolving are submitted to user interface according to format of user data, the described all purpose communication data that lower computer system issues described template data processing module are stored, the all purpose communication data that described inquiry/acknowledgement mechanism universal communication method processing module reads corresponding device are when needed resolved, and send corresponding query statement to corresponding external unit, wait for and receive the reply data of external unit, receiving after the reply data of described external unit, do not resolve as required described reply data, or according to the protocol data of configuration, described reply data is resolved and obtains to resolve rear data, and data after the described reply data of not resolving or parsing are turned back to master system.
As shown in Figure 1, (be device A, B......N when user need to add new external unit, add singly) time, first pass through the parameter of user interface (as computing machine) configuring external equipment by user, and parameter is delivered to template data processing module, above-mentioned template data processing module retrieval template database obtains the template data of corresponding device, dynamically generates all purpose communication data; As shown in Figure 2, these template datas comprise list of devices, device context, protocol list, protocol description data and the descriptor definition table of each external unit, wherein, list of devices is to record the device name that can provide support in current database, the list of unit type, use a unique ID value to carry out mark to each unit type, in a template data processing module, only has a unit type list, each unit type list can be recorded several unit types (being unit type A......N); Described device context is the details of corresponding device in recording unit list, and as producer's information, functional characteristics, messaging parameter etc., messaging parameter is described the communication interface that this equipment uses, and the configuration of the default parameters of this communication interface; Described protocol list is: use a unique ID value to carry out mark to each Content of Communication, the various information of record communication content, the corresponding protocol list of each unit type, each protocol list can record several Content of Communication (being Content of Communication 1,2......n); Described protocol description data are the data (being description and the parameter of Content of Communication 1,2......n) that the descriptor that defines in use system is described Content of Communication, described protocol description data are divided into two parts, be respectively used to describe query statement and the device acknowledge data of this Content of Communication, described descriptor definition table, for recording No. ID and corresponding description definition data of the descriptor that each protocol description data use, for described protocol description data.
As shown in Figure 1, add after the configuration data of equipment to the input of template data processing module by user interface (as computing machine) user, template data processing module can be according to user the parameters to external unit, dynamically according to template data generated query/response protocol all purpose communication data, and described all purpose communication data down transmission to lower computer system, as shown in Figure 4, described template data processing module generate described inquiry/response protocol all purpose communication data and under pass to lower computer system flow process be: beginning → user selects external unit model, Content of Communication and parameter → template data processing module receive Content of Communication data of description → retrieval descriptor definition table → generation common communication protocol data → transmission common communication protocol data corresponding to user's configuration data → retrieval facility type specification data → retrieve to lower computer system → end.As shown in Figure 3, described all purpose communication data comprise external device communication supplemental characteristic, querying command data and reply data parsing description, wherein, external device communication supplemental characteristic is used for the communication interface using while describing external device communication, and the information such as interface parameters, time-out time, if had the data of this equipment in slave computer, can again issue; Querying command data refer to need to send to the querying command data of external unit in the time carrying out this communication; Whether reply data is resolved and is described the data composition information that has recorded the reply data of external unit to this querying command, correct for analyzing the reply data returning, and obtains and calculate the data value that user finally needs.
As shown in Figure 1, described all purpose communication data down transmission is after the storer of lower computer system, the all purpose communication data that described inquiry/acknowledgement mechanism universal communication method processing module can read corresponding device are when needed resolved, as shown in Figure 5, described inquiry/acknowledgement mechanism universal communication method processing module with the communication process between described external unit and described master system is: if beginning → slave computer module receives configuration data → initialize communications port of communicating by letter corresponding to instruction that certain equipment is communicated with Content of Communication → retrieve → send the query statement → wait external device response → wait timeout in configuration data to external unit, return to mistake, if receive answer number, if according to judge according to configuration data reply data whether legal → do not conform to rule to return to mistake, if legal, return results data → do not need if judge whether to resolve, return to the data of not resolving and finish single job to master system, if needed, parse according to configuration data the data → return to the data → end single job after parsing to master system that user needs.
As shown in Figure 1, the untreated reply data that described template data processing module is returned lower computer system according to template configuration data carries out dynamic analysis, and the data after resolving are submitted to user interface according to format of user data.
Pass through said process, user can increase arbitrarily the external unit based on inquiry/response protocol, and can realize the robotization control to new equipment through the process (only need to add the abstractdesription data of one group of this new equipment or agreement in local terminal master system database) of relatively simplifying, do not need system software to do (comprising the software of master system and lower computer system) processing of any replacing or upgrading.And increasing after new external unit, template data processing module and inquiry/acknowledgement mechanism universal communication method processing module can realize the interactive communication between user interface, master system, lower computer system and external unit, and multiple external units are carried out to robotization control.
Below in conjunction with robotization control and the detection system implemented, the present invention is illustrated further:
As shown in Figure 6, master system is server, the computing machine that user interface is workstation, and lower computer system is embedded system, external unit is intelligent air condition, intelligent thermometer, intelligent electric meter, intellectual water meter and Intelligent gasometer; In server, be provided with template data processing module and template database, in embedded system, be provided with inquiry/acknowledgement mechanism universal communication method processing module.Template data processing module in server is carried out interactive communication by computing machine and the user of workstation, receives user's configuration data and instruction, and gives user result feedback.Inquiry/acknowledgement mechanism universal communication method processing modules implement in embedded system was communicated by letter with being connected of intelligent air condition, intelligent thermometer, intelligent electric meter, intellectual water meter and Intelligent gasometer, and intelligent air condition, intelligent thermometer, intelligent electric meter, intellectual water meter and Intelligent gasometer are monitored and controlled.
System shown in Fig. 6 is successfully applied, the robotization control of the interpolation of its new equipment and all devices is all achieved by the present invention, in the process of adding new equipment, system software do not changed or upgraded, very convenient, quick, save after-cost, and can also increase arbitrarily new external unit on this basis, as intelligent curtain, intelligent washing machine etc., can easily realize automatic monitoring and control.
Of the present inventionly focus on providing a kind of communication means automation control appliance, based on inquiry/acknowledgement mechanism universal communication method that is applied to upper and lower machine structure, if change on this basis chip model or the parameter of template data processing module and/or inquiry/acknowledgement mechanism universal communication method processing module, or change the middle progression of automation control system, all should be considered as invading the right of patent of the present invention.
Claims (4)
1. the communication means of the automation control appliance based on upper and lower machine structure, for realizing the interactive communication between user interface, master system, lower computer system and external unit, it is characterized in that: template data processing module and template database are set in master system, inquiry/acknowledgement mechanism universal communication method processing module is set in lower computer system;
The data of described template database comprise the list of devices of each external unit, device context, protocol list, protocol description data and descriptor definition table, described template data processing module is the parameters to external unit according to user, dynamically according to template data generated query/response protocol all purpose communication data, and described all purpose communication data down transmission to lower computer system, simultaneously, the untreated reply data that described template data processing module is returned lower computer system according to template configuration data carries out dynamic analysis, and the data after resolving are submitted to user interface according to format of user data, the list of devices of described external unit is to record the device name that can provide support in current database, the list of unit type, use a unique ID value to carry out mark to each unit type, in a template data processing module, only has a unit type list, each unit type list can be recorded several unit types, uses device id value to retrieve,
Described device context is the details of corresponding device in recording unit list, comprises and describes the communication interface that this equipment uses, and the messaging parameter of the default parameters of this communication interface configuration; Described protocol list is: use a unique ID value to carry out mark to each Content of Communication, and the various information of record communication content, the corresponding protocol list of each unit type, each protocol list can record several Content of Communication; Described protocol description data are the data that the descriptor that defines in use system is described Content of Communication, and described protocol description data are divided into two parts, are respectively used to describe query statement and the device acknowledge data of this Content of Communication; Described descriptor definition table, for recording No. ID and corresponding description definition data of the descriptor that each protocol description data use, for described protocol description data;
The described all purpose communication data that lower computer system issues described template data processing module are stored, the all purpose communication data that described inquiry/acknowledgement mechanism universal communication method processing module reads corresponding device are when needed resolved, and send corresponding query statement to corresponding external unit, wait for and receive the reply data of external unit, receiving after the reply data of described external unit, do not resolve as required described reply data, or according to the protocol data of configuration, described reply data is resolved and obtains to resolve rear data, and data after the described reply data of not resolving or parsing are turned back to master system.
2. the communication means of the automation control appliance based on upper and lower machine structure according to claim 1, is characterized in that: described all purpose communication data comprise external device communication supplemental characteristic, querying command data and reply data parsing description.
3. according to claim 1 based on upper, the communication means of the automation control appliance of slave computer structure, it is characterized in that: described template data processing module generate described inquiry/response protocol all purpose communication data and under pass to lower computer system flow process be: beginning → user selects external unit model, Content of Communication and parameter → template data processing module receive Content of Communication data of description → retrieval descriptor definition table → generation common communication protocol data → transmission common communication protocol data corresponding to user's configuration data → retrieval facility type specification data → retrieve to lower computer system → end.
4. the communication means of the automation control appliance based on upper and lower machine structure according to claim 1, is characterized in that: the communication process between described inquiry/acknowledgement mechanism universal communication method processing module and described external unit and described master system is, if beginning → slave computer module receives configuration data → initialize communications port of communicating by letter corresponding to instruction that certain equipment is communicated with Content of Communication → retrieve → send the query statement → wait external device response → wait timeout in configuration data to external unit, return to mistake, if receive answer number, if according to configuration data judge reply data whether legal → do not conform to rule to return to mistake, if legal, return results data → do not need if judge whether to resolve, return to the data of not resolving and finish single job to master system, if needed, parse according to configuration data the data → return to the data → end single job after parsing to master system that user needs.
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Effective date of registration: 20201125 Address after: 214500 North Head of Gushan Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: JIANGSU XIDA AIR-CONDITIONING PURIFYING EQUIPMENT Co.,Ltd. Address before: 610000, No. 3, building 15, Pioneer Park, No. 2, prosperous West Road, Jinniu District hi tech Industrial Park, Sichuan, Chengdu Patentee before: SCT TECHNOLOGY Co.,Ltd. |