CN105785854A - Master-slave system control method and master-slave system - Google Patents
Master-slave system control method and master-slave system Download PDFInfo
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- CN105785854A CN105785854A CN201610104545.6A CN201610104545A CN105785854A CN 105785854 A CN105785854 A CN 105785854A CN 201610104545 A CN201610104545 A CN 201610104545A CN 105785854 A CN105785854 A CN 105785854A
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- equipment
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- control instruction
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The present invention provides a master-slave system control method and a master-slave system. The master-slave system comprises a master device and at least one slave device. The control method comprises: the master device generates a control instruction and notification message, the notification message includes at least one identification bit, and the value of each identification bit is used for expressing whether the control instruction needs to control a corresponding slave device or not; the master device sends the control instruction and the notification message to each slave device of the at least one slave devices; and each slave device determines whether the control instruction is executed or not according to the notification message. According to the technical scheme, the master-slave system control method and master-slave system are able to simply and effectively realize the group control function of the part of inner machines on the premise of ensuring sending small control data package to the inner machines.
Description
Technical field
The present invention relates to master-slave system technical field, in particular to control method and a kind of master-slave system of a kind of master-slave system.
Background technology
When adopting 485 buses to carry out communication in multi-gang air-conditioner device system, outer machine and interior machine are master-slave communication, and wherein, outer machine is main frame, and active inwardly machine sends data, and interior machine is from machine, and the passive data receiving the transmission of outer machine also carry out response.
Being likely to be up to 64,96 in one multi-gang air-conditioner device system, even 128 interior machines, if to realize team control function, current technology is usually use broadcast technology, and all interior machines are controlled, but this method cannot realize the team control function of machine in part.To realize the team control function (particularly the discontinuous interior machine in address) of machine in part, it usually needs send order by machine in platform, then 64 interior machines are likely to be accomplished by the 6-12 second and could control command be sent, and efficiency comparison is low.In addition can also add the mode of address list in control command to realize team control function, but such way causes that controlling packet increases, and deals with more complicated.
Therefore, how can simply and efficiently realizing the team control function of machine in part, the size controlling packet that effectively the inside machine of control sends simultaneously becomes technical problem urgently to be resolved hurrily.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art or correlation technique.
For this, it is an object of the present invention to propose the control program of a kind of new master-slave system, it is possible to ensureing that inside machine sends under the less premise controlling packet, simply and efficiently realize the team control function of machine in part.
Further object is that and propose a kind of master-slave system.
For achieving the above object, embodiment according to the first aspect of the invention, propose the control method of a kind of master-slave system, described master-slave system includes a main equipment and at least one from equipment, described control method includes: described main equipment generates control instruction and notification message, comprising at least one flag in described notification message, the value of each described flag is for representing that described control instruction is the need of controlling corresponding one from equipment；Described main equipment described control instruction and described notification message are sent to described at least one from equipment every from equipment；Described every determines whether to perform described control instruction from equipment according to described notification message.
The control method of master-slave system according to an embodiment of the invention, main equipment is by generating the notification message comprising at least one flag, represent that control instruction is the need of controlling corresponding one from equipment with the value by each flag so that main equipment can simply and efficiently realize the team control function of machine in part by arranging the value of at least one flag in notification message.Simultaneously as only add at least one flag on the basis of control instruction, the control data that therefore inwardly machine sends are less, effectively control the size of the control data that inside machine is sent.
Wherein, identical from the number of equipment with master-slave system of the number of the flag comprised in notification message, flag corresponding to one from equipment.
The control method of master-slave system according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, described main equipment generates the step of described notification message, specifically includes: determine that described control instruction needs the target controlled from equipment；It is set to the first value by least one flag described corresponds respectively to described target from the flag of equipment, and other flag at least one flag described is set to the second value.
In such an embodiment, it is preferable the first value can be 1, the second value can be 0.Certainly, the first value can also be 0, and the second value is 1.
According to one embodiment of present invention, described every determines whether from equipment according to described notification message to specifically include the step that performs described control instruction:
Arbitrary when from equipment, during determining at least one flag described, value with described arbitrary flag corresponding from equipment is described first value, it is determined that to need to perform described control instruction；And
Arbitrary when from equipment, during determining at least one flag described, value with described arbitrary flag corresponding from equipment is described second value, it is determined that described control instruction need not be performed.
According to one embodiment of present invention, described main equipment described control instruction and described notification message are sent to described at least one from equipment every from the step of equipment, specifically include: described main equipment, according to described control instruction and described notification message, generates and controls packet；Described control packet is sent to described every from equipment.In this embodiment, specifically, it is possible to control instruction and notification message are packed, to generate control packet.
According to one embodiment of present invention, described master-slave system is multi-gang air-conditioner device system, and described main equipment is the outer machine of described multi-gang air-conditioner device system, described from the interior machine that equipment is described multi-gang air-conditioner device system.
Embodiment according to a second aspect of the present invention, it is also proposed that a kind of master-slave system, described master-slave system includes a main equipment and at least one from equipment, wherein,
Described main equipment includes: first generates unit, is used for generating control instruction and notification message, comprises at least one flag in described notification message, and the value of each described flag is for representing that described control instruction is the need of controlling corresponding one from equipment；Transmitting element, for described control instruction and described notification message are sent to described at least one from equipment every from equipment；
Described every includes from equipment: processing unit, for determining whether to perform described control instruction according to described notification message.
Master-slave system according to an embodiment of the invention, main equipment is by generating the notification message comprising at least one flag, represent that control instruction is the need of controlling corresponding one from equipment with the value by each flag so that main equipment can simply and efficiently realize the team control function of machine in part by arranging the value of at least one flag in notification message.Simultaneously as only add at least one flag on the basis of control instruction, the control data that therefore inwardly machine sends are less, effectively control the size of the control data that inside machine is sent.
Wherein, identical from the number of equipment with master-slave system of the number of the flag comprised in notification message, flag corresponding to one from equipment.
Master-slave system according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, described first generates unit comprises determining that unit, for the target determining described control instruction to need to control from equipment；Unit is set, for being set to the first value by least one flag described corresponds respectively to described target from the flag of equipment, and other flag at least one flag described is set to the second value.
In such an embodiment, it is preferable the first value can be 1, the second value can be 0.Certainly, the first value can also be 0, and the second value is 1.
According to one embodiment of present invention, described processing unit specifically for: when at least one flag described, value with arbitrary flag corresponding from equipment is described first value, it is determined that described arbitrary need to perform described control instruction from equipment；And when at least one flag described, value with arbitrary flag corresponding from equipment is described second value, it is determined that described arbitrary need not perform described control instruction from equipment.
According to one embodiment of present invention, described transmitting element includes: second generates unit, for according to described control instruction and described notification message, generating and control packet；Performance element, for described control packet is sent to described every from equipment.In this embodiment, specifically, it is possible to control instruction and notification message are packed, to generate control packet.
According to one embodiment of present invention, described master-slave system is multi-gang air-conditioner device system, and described main equipment is the outer machine of described multi-gang air-conditioner device system, described from the interior machine that equipment is described multi-gang air-conditioner device system.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 illustrates the schematic flow diagram of the control method of master-slave system according to an embodiment of the invention；
Fig. 2 illustrates the schematic block diagram of master-slave system according to an embodiment of the invention；
Fig. 3 illustrates the structural representation of master-slave system according to an embodiment of the invention.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention; but; the present invention can also adopt other to be different from other modes described here to implement, and therefore, protection scope of the present invention is by the restriction of following public specific embodiment.
Fig. 1 illustrates the schematic flow diagram of the control method of master-slave system according to an embodiment of the invention.
The master-slave system that the present invention proposes includes a main equipment and at least one from equipment.As it is shown in figure 1, the control method of master-slave system according to an embodiment of the invention, including:
Step 102, main equipment generates control instruction and notification message, comprises at least one flag in described notification message, and the value of each described flag is for representing that described control instruction is the need of controlling corresponding one from equipment；
Step 104, described main equipment described control instruction and described notification message are sent to described at least one from equipment every from equipment；
Step 106, described every determines whether to perform described control instruction from equipment according to described notification message.
Specifically, main equipment is by generating the notification message comprising at least one flag, represent that control instruction is the need of controlling corresponding one from equipment with the value by each flag so that main equipment can simply and efficiently realize the team control function of machine in part by arranging the value of at least one flag in notification message.Simultaneously as only add at least one flag on the basis of control instruction, the control data that therefore inwardly machine sends are less, effectively control the size of the control data that inside machine is sent.
Wherein, identical from the number of equipment with master-slave system of the number of the flag comprised in notification message, flag corresponding to one from equipment.
The control method of master-slave system according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, described main equipment generates the step of described notification message, specifically includes: determine that described control instruction needs the target controlled from equipment；It is set to the first value by least one flag described corresponds respectively to described target from the flag of equipment, and other flag at least one flag described is set to the second value.
In such an embodiment, it is preferable the first value can be 1, the second value can be 0.Certainly, the first value can also be 0, and the second value is 1.
According to one embodiment of present invention, described every determines whether from equipment according to described notification message to specifically include the step that performs described control instruction:
Arbitrary when from equipment, during determining at least one flag described, value with described arbitrary flag corresponding from equipment is described first value, it is determined that to need to perform described control instruction；And
Arbitrary when from equipment, during determining at least one flag described, value with described arbitrary flag corresponding from equipment is described second value, it is determined that described control instruction need not be performed.
According to one embodiment of present invention, described main equipment described control instruction and described notification message are sent to described at least one from equipment every from the step of equipment, specifically include: described main equipment, according to described control instruction and described notification message, generates and controls packet；Described control packet is sent to described every from equipment.In this embodiment, specifically, it is possible to control instruction and notification message are packed, to generate control packet.
According to one embodiment of present invention, described master-slave system is multi-gang air-conditioner device system, and described main equipment is the outer machine of described multi-gang air-conditioner device system, described from the interior machine that equipment is described multi-gang air-conditioner device system.
Fig. 2 illustrates the schematic block diagram of master-slave system according to an embodiment of the invention.
As in figure 2 it is shown, master-slave system 20 according to an embodiment of the invention, described master-slave system includes a main equipment 21 and at least one from equipment 22, wherein,
Described main equipment 21 includes: first generates unit 211, for generating control instruction and notification message, comprising at least one flag in described notification message, the value of each described flag is for representing that described control instruction is the need of controlling corresponding one from equipment 22；Transmitting element 212, for described control instruction and described notification message are sent to described at least one from equipment 22 every from equipment 22；
Described every includes from equipment 22: processing unit 221, for determining whether to perform described control instruction according to described notification message.
Specifically, main equipment 21 is by generating the notification message comprising at least one flag, represent that control instruction is the need of controlling corresponding one from equipment 22 with the value by each flag so that main equipment 21 can simply and efficiently realize the team control function of machine in part by arranging the value of at least one flag in notification message.Simultaneously as only add at least one flag on the basis of control instruction, the control data that therefore inwardly machine sends are less, effectively control the size of the control data that inside machine is sent.
Wherein, the number of the flag comprised in notification message is identical with the number from equipment 22 in master-slave system, flag corresponding to one from equipment 22.
Master-slave system 20 according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, described first generates unit 211 comprises determining that unit 2111, for the target determining described control instruction to need to control from equipment 22；Unit 2112 is set, for being set to the first value by least one flag described corresponds respectively to described target from the flag of equipment 22, and other flag at least one flag described is set to the second value.
In such an embodiment, it is preferable the first value can be 1, the second value can be 0.Certainly, the first value can also be 0, and the second value is 1.
According to one embodiment of present invention, described processing unit 221 specifically for: when at least one flag described, value with arbitrary flag corresponding from equipment 22 is described first value, it is determined that described arbitrary need to perform described control instruction from equipment 22；And when at least one flag described, value with arbitrary flag corresponding from equipment 22 is described second value, it is determined that described arbitrary need not perform described control instruction from equipment 22.
According to one embodiment of present invention, described transmitting element 212 includes: second generates unit 2121, for according to described control instruction and described notification message, generating and control packet；Performance element 2122, for described control packet is sent to described every from equipment 22.
In this embodiment, specifically, it is possible to control instruction and notification message are packed, to generate control packet.
According to one embodiment of present invention, described master-slave system is multi-gang air-conditioner device system, and described main equipment 21 is the outer machine of described multi-gang air-conditioner device system, described from the interior machine that equipment 22 is described multi-gang air-conditioner device system.
Fig. 3 illustrates the structural representation of master-slave system according to an embodiment of the invention.
As shown in Figure 3, it is assumed that master-slave system exists X platform slave devices, then with X bit (b1, b2 ..., bX) identify from machine 1 respectively, from machine 2 ..., from machine X.Such as bn=0 represents that this control instruction does not control to represent that this control instruction to control from machine n from machine n, bn=1.
Such as in a multi-gang air-conditioner device system, have 64 interior machines, think now machine in control 1-6, then these 64 bits (from low to high) are successively: 1111,1100,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000.Wherein it is preferred to, above-mentioned X bit can represent by (X+7)/8 eight hyte.
Main frame is being issued from the control packet of machine, comprises X above-mentioned bit, when certain the control packet receiving main frame transmission from machine n, it is possible to know whether from this X bit and to control originally from machine.It is specifically divided into two following situations:
Situation 1: if the bit bn=1 of correspondence, then it represents that this instruction to control originally from machine, it is necessary to performs instruction.
Situation 2: if the bit bn=0 of correspondence, then it represents that this instruction does not control originally from machine, it is not necessary to perform instruction.
The technique scheme of the present invention can in master-slave communication system, it is achieved to the team control function of machine in part, and communication efficiency is high, controls packet less.
Describing technical scheme in detail above in association with accompanying drawing, the present invention proposes the control program of a kind of new master-slave system, it is possible to ensureing that inside machine sends under the less premise controlling packet, simply and efficiently realize the team control function of machine in part.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. the control method of a master-slave system, it is characterised in that described master-slave system includes a main equipment and at least one from equipment, and described control method includes:
Described main equipment generates control instruction and notification message, comprises at least one flag in described notification message, and the value of each described flag is for representing that described control instruction is the need of controlling corresponding one from equipment；
Described main equipment described control instruction and described notification message are sent to described at least one from equipment every from equipment；
Described every determines whether to perform described control instruction from equipment according to described notification message.
2. the control method of master-slave system according to claim 1, it is characterised in that described main equipment generates the step of described notification message, specifically includes:
Determine that described control instruction needs the target controlled from equipment；
It is set to the first value by least one flag described corresponds respectively to described target from the flag of equipment, and other flag at least one flag described is set to the second value.
3. the control method of master-slave system according to claim 2, it is characterised in that described every determines whether from equipment according to described notification message to specifically include the step that performs described control instruction:
Arbitrary when from equipment, during determining at least one flag described, value with described arbitrary flag corresponding from equipment is described first value, it is determined that to need to perform described control instruction；And
Arbitrary when from equipment, during determining at least one flag described, value with described arbitrary flag corresponding from equipment is described second value, it is determined that described control instruction need not be performed.
4. the control method of master-slave system according to any one of claim 1 to 3, it is characterised in that described control instruction and described notification message are sent to described at least one from equipment every from the step of equipment by described main equipment, specifically include:
Described main equipment, according to described control instruction and described notification message, generates and controls packet；
Described control packet is sent to described every from equipment.
5. the control method of master-slave system according to any one of claim 1 to 4, it is characterized in that, described master-slave system is multi-gang air-conditioner device system, and described main equipment is the outer machine of described multi-gang air-conditioner device system, described from the interior machine that equipment is described multi-gang air-conditioner device system.
6. a master-slave system, it is characterised in that described master-slave system includes a main equipment and at least one from equipment, wherein,
Described main equipment includes: first generates unit, is used for generating control instruction and notification message, comprises at least one flag in described notification message, and the value of each described flag is for representing that described control instruction is the need of controlling corresponding one from equipment；Transmitting element, for described control instruction and described notification message are sent to described at least one from equipment every from equipment；
Described every includes from equipment: processing unit, for determining whether to perform described control instruction according to described notification message.
7. master-slave system according to claim 6, it is characterised in that described first generates unit includes:
Determine unit, for the target determining described control instruction to need to control from equipment；
Unit is set, for being set to the first value by least one flag described corresponds respectively to described target from the flag of equipment, and other flag at least one flag described is set to the second value.
8. master-slave system according to claim 7, it is characterised in that described processing unit specifically for:
When at least one flag described, value with arbitrary flag corresponding from equipment is described first value, it is determined that described arbitrary need to perform described control instruction from equipment；And
When at least one flag described, value with arbitrary flag corresponding from equipment is described second value, it is determined that described arbitrary need not perform described control instruction from equipment.
9. the master-slave system according to any one of claim 6 to 8, it is characterised in that described transmitting element includes:
Second generates unit, for according to described control instruction and described notification message, generating and control packet；
Performance element, for described control packet is sent to described every from equipment.
10. the master-slave system according to any one of claim 6 to 9, it is characterized in that, described master-slave system is multi-gang air-conditioner device system, and described main equipment is the outer machine of described multi-gang air-conditioner device system, described from the interior machine that equipment is described multi-gang air-conditioner device system.
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| CN201610104545.6A CN105785854B (en) | 2016-02-25 | 2016-02-25 | The control method and master-slave system of master-slave system |
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| CN201610104545.6A CN105785854B (en) | 2016-02-25 | 2016-02-25 | The control method and master-slave system of master-slave system |
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| CN108696309A (en) * | 2018-04-24 | 2018-10-23 | 青岛海尔空调电子有限公司 | Trunking and multiple control system |
| CN108800445A (en) * | 2018-06-30 | 2018-11-13 | 杭州享福多智能科技有限公司 | A kind of fraction air-conditioner control system |
| CN110726211A (en) * | 2019-10-10 | 2020-01-24 | 珠海格力电器股份有限公司 | Air conditioner multi-split air conditioner control method and device, storage medium and air conditioner multi-split air conditioner |
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| CN105785854B (en) | 2019-01-18 |
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