CN104181818B - A kind of smart home logic control method and system based on KNX bus protocols - Google Patents
A kind of smart home logic control method and system based on KNX bus protocols Download PDFInfo
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- CN104181818B CN104181818B CN201410427668.4A CN201410427668A CN104181818B CN 104181818 B CN104181818 B CN 104181818B CN 201410427668 A CN201410427668 A CN 201410427668A CN 104181818 B CN104181818 B CN 104181818B
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Abstract
The invention discloses a kind of smart home logic control method and system based on KNX bus protocols, this method is grouped by the demand of setting to home equipment first, and the original state for carrying out home equipment address, home equipment group address and home equipment to the home equipment after packet based on KNX bus protocols is configured；Then, control command is sent by host computer in the message form of the group address of home equipment to be sent in KNX buses, logic controller receives control command from KNX buses, and carries out parsing and judgement based on combinational logic computing and sequential logic computing to control command；Finally, logic controller will be sent to KNX buses in accordance with the order of control logic according to sequential with the message of group address, realizes the Based Intelligent Control to smart home；The combinational logic verification and sequential logic reasoning to system control command are realized, the intelligent level of intelligent domestic system is improved, it is ensured that the degree of accuracy of Based Intelligent Control.
Description
Technical field
The present invention relates to intelligent domestic system field, more particularly to a kind of smart home logic based on KNX bus protocols
Control method and system.
Background technology
In May, 1999, Europe three big bus protocol EIB, BatiBus and EHSA, which merge, has set up Konnex associations, proposes
KNX (Konnex) bus protocol.The agreement has taken into account BatiBus and EHSA physical layer specification based on EIB, and inhales
There is provided family, the total solution of building automatic for the advantages of having received configuration mode in BatiBus and EHSA.KNX in
It is approved for Chinese Industrial Standards (CIS) GB/Z 20965 within 2007.Different performance, the product of different manufacturers production can realize interoperability, and
And passed through strict quality control and third-party KNX certifications, thus further ensure product quality.KNX buses are assisted
Discuss and provide the extension form enriched and standard interface for smart home product.
Although smart home belongs to current popular industry and has attracted substantial amounts of investor and research staff, actually
The development of KNX bus protocols is still at an early stage.Main reason is that many smart home manufacturers make the transition from traditional household electrical appliances
Manufacturer, communications equipment vendor etc., these manufacturers have still continued to use the related mark in each comfortable field in the past after input smart home
Standard, is difficult to compatibility to each other, it is impossible to meets and is required for the efficient, simple, practical etc. of smart home product.
Group control is a kind of operator scheme supported in KNX bus protocols, i.e., send group by some group's order
Group message, while realizing the integrated operation to relevant device.And in actual smart home environment, groups operation is related to many
Individual equipment operation, agreement can not be effectively judged the reasonability of operation in itself, and user is also possible to when sending order
There is ill-considered situation, conflict so that group's order exists with conditions present or preset contextual model etc., such as use
Family under long-range pattern of leaving home false triggering gate inhibition's unlocking command, start heating water order etc., these problems in exsiccosis
Being required for system has the logic judgment and inferential capability of efficient and sensible, user is obtained more intimate safe smart home body
Test.
The content of the invention
The present invention proposes a kind of smart home logic control method and system based on KNX bus protocols, by based on KNX
Bus protocol optimizes control to group control order, overcomes home equipment control command of the prior art to there is logic lance
Home equipment control failure caused by shield or timing conflict, or even the problem of cause the damage of home equipment.
A kind of smart home logic control method based on KNX bus protocols, first, by the demand of setting to home equipment
Be grouped, based on KNX bus protocols the home equipment after packet is carried out home equipment address, home equipment group address and
The original state of home equipment is configured；Then, sent by host computer in the message form of the group address of home equipment
Control command is sent in KNX buses, and logic controller receives control command from KNX buses, and carries out base to control command
In combinational logic computing and the parsing and judgement of sequential logic computing；Finally, logic controller is by accordance with the order of control logic
Sent according to sequential with the message of group address to KNX buses, realize the Based Intelligent Control to smart home；
【The equipment of access system is divided into by different groups according to the functional requirement of user, dividing mode can both be surrounded
The common functions such as illumination, sensing, ventilation are divided, and can also be drawn two or more equipment for a certain specific function
Divide to same group.Each equipment and group have unique physical address.When user need to control multiple equipment a certain to realize
Function, group's order can be sent by controlling switch, disposably starts multiple relevant devices, and very big letter has been carried out to user's operation
Change.If the different role that some equipment is played the part of in multiple function, the equipment may be divided into multiple groups simultaneously.】
The combinational logic computing is whether the control command for examining the home equipment sent to after being grouped can cause difference
Logic conflict between equipment, if there is conflict, logic controller suspends the transmission of control command, and sends inquiry request；
If in the absence of conflict, current control commands are proceeded sequential logic computing by logic controller；
The sequential logic computing refer to judge between the operational order of the multiple equipment included in control command whether
There is sequential logic, if there is sequential logic, logic controller resolves into the message of group address according to sequential logic many
Individual independent message is according to each home equipment control command of transmission；If in the absence of sequential logic, logic controller is by control command
Group address packet labeling position be revised as after effective home equipment control command flag bit, be uploaded to KNX buses.
The marker bit original state of the home equipment group address is set to 1, the group of effective home equipment control command
The flag bit of group address is 0.
【Because the marker bit of legal group address is 0, flag bit will not be recognized for 1 order by corresponding device, so as to keep away
Exempt from order and be only logically controlled device identification, without directly being received by group device.】
A kind of smart home logic control system based on KNX bus protocols, using described based on KNX bus protocols
Smart home logic control method, including host computer, KNX buses, KNX power supplys, wireless launcher and logic controller, it is described on
Position machine, KNX power supplys, wireless launcher and logic controller are connected with KNX buses, control end and the KNX buses of home equipment.
The home equipment is set including lighting apparatus, sensing equipment, ventilation equipment, air-conditioning equipment, audio-visual devices and security protection
It is standby.
Beneficial effect
The present invention proposes a kind of smart home logic control method and system based on KNX bus protocols, and this method is first
First home equipment is grouped by the demand of setting, carrying out household to the home equipment after packet based on KNX bus protocols sets
The original state of standby address, home equipment group address and home equipment is configured；Then, by host computer with home equipment
Group address message form send control command be sent in KNX buses, logic controller receives control from KNX buses
Order, and parsing and judgement based on combinational logic computing and sequential logic computing are carried out to control command；Finally, logic control
Device will be sent to KNX buses in accordance with the order of control logic according to sequential with the message of group address, is realized to smart home
Based Intelligent Control；
Based on conventional KNX bus protocols, the combinational logic verification and sequential logic reasoning implemented can lead to
Logic circuit or the unified realization of programmable logic controller (PLC) are crossed, the system realizes the combinational logic verification to system control command
And sequential logic reasoning, improve the intelligent level of intelligent domestic system, it is ensured that smart home operation reliability and
Accuracy.Although specific logical operation and the protection domain for being not belonging to the invention, the present invention is smart home logic control
Pattern provides abundant extending space, will produce material impact to the research and development of intelligent home control system and application.
Brief description of the drawings
Fig. 1 is the smart home logic control system structure chart based on KNX agreements；
Fig. 2 is the original group address format of KNX agreements；
Fig. 3 is the group address format after modification marker bit；
Fig. 4 is individual equipment address form.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
A kind of smart home logic control method based on KNX bus protocols, first, by the demand of setting to home equipment
Be grouped, based on KNX bus protocols the home equipment after packet is carried out home equipment address, home equipment group address and
The original state of home equipment is configured；Then, sent by host computer in the message form of the group address of home equipment
Control command is sent in KNX buses, and logic controller receives control command from KNX buses, and carries out base to control command
In combinational logic computing and the parsing and judgement of sequential logic computing；Finally, logic controller is by accordance with the order of control logic
Sent according to sequential with the message of group address to KNX buses, realize the Based Intelligent Control to smart home；
The combinational logic computing is whether the control command for examining the home equipment sent to after being grouped can cause difference
Logic conflict between equipment, if there is conflict, logic controller suspends the transmission of control command, and sends inquiry request；
If in the absence of conflict, current control commands are proceeded sequential logic computing by logic controller；
The sequential logic computing refer to judge between the operational order of the multiple equipment included in control command whether
There is sequential logic, if there is sequential logic, logic controller resolves into the message of group address according to sequential logic many
Individual independent message is according to each home equipment control command of transmission；If in the absence of sequential logic, logic controller is by control command
Group address packet labeling position be revised as after effective home equipment control command flag bit, be uploaded to KNX buses.
The marker bit original state of the home equipment group address is set to 1, the group of effective home equipment control command
The flag bit of group address is 0.
A kind of smart home logic control system based on KNX bus protocols, as shown in figure 1, using described based on KNX
The smart home logic control method of bus protocol, including host computer, KNX buses, KNX power supplys, wireless launcher and logic control
Device processed, the host computer, KNX power supplys, wireless launcher and logic controller are connected with KNX buses, the control of home equipment
End and KNX buses.
The home equipment is set including lighting apparatus, sensing equipment, ventilation equipment, air-conditioning equipment, audio-visual devices and security protection
It is standby.
In the practical application of smart home, the realization of a function may need to operate multiple devices.Thus
It is that plurality of devices is carried out group division and be controlled in units of group to be a kind of simple and effective by core by difference in functionality
Intelligent housing mode, in simple terms by home audio-visual system, illuminator, ventilating system etc. are controlled as different groups
Two or more equipment can also be combined to form group by system according to user's particular demands in specific circumstances.With
Under to the present invention embodiment be introduced：
1st, connection is laid out to the intelligent home control system shown in Fig. 1 first.Different smart home in the present invention
Equipment mainly accesses KNX buses by twisted-pair feeder.KNX buses also support cable in principle, but cable is in transmission signal process
It is vulnerable to harmonic wave interference.For the equipment with wave point, it can be accessed by wireless launcher.And it is more in number of devices
In the case of, then different circuits are respectively connected to according to equipment region, it is total that each circuit accesses KNX eventually through line coupler
Line.Every line configuring has single KNX power supplys, thereby guarantees that All other routes still can be normal in the case of a circuit power-off
Work.
2nd, in system start-up phase, host computer writes initialization data by KNX buses the control of intelligent home device
Device, mainly includes device address and initial state information.Also group division will be carried out according to the functional requirement of system simultaneously, for example
Lighting system, ventilating system etc. are respectively divided into different groups.Each group will will be assigned unique group address.Standard
Group address format as shown in Fig. 2 wherein first character be marker bit, it is any can by correspondence group device receive group
It is 0 that address, which need to meet marker bit,.Each group is corresponding with specific intelligent switch, and intelligent switch is received will hair after user command
Go out to carry the control message of target group address, the multiple equipment for belonging to particular demographic is controlled so as to realize.And this hair
In bright, the corresponding target group address marker bit of each intelligent switch is set to 1 by host computer, as shown in Figure 3.User will also
Logical relation and operation rule in host computer inside editing system, and logic controller is written into by KNX buses
Internal memory.
3rd, after user sends the order for starting group device by intelligent switch, intelligent switch will pass through group address pair
Relevant device sends control message, and its form is as shown in Figure 3.According to KNX buses rule, the message with the address will be in bus
Broadcasted in medium, the equipment of all access KNX buses may detect that the message.But because its marker bit is changed,
The message can't corresponding target group equipment identification.And except logic controller designed in the present invention, it will be passed through
Communication interface catches the message, reads the control data in message and is deposited into the memory headroom of logic controller.
4th, logic verify is combined according to the control object and control parameter established in message, determined involved by message
Multiple Action Events will not to system mode or it is related setting be conflicted.Because equipment there may be different conditions, such as sound
Magnitude not, wind-force rank, intelligent heating rank etc., logically then correspond to the logic state of multidimensional, the method for logic verify
Also there will be difference, but from the point of view of association area current situation, can be realized by certain logic circuit.The present invention is simultaneously
Do not furtherd investigate for combinational logic method of calibration, and specific method of calibration and be not belonging to protection scope of the present invention, only
Pattern for this smart home logic verify is protected.
A kind of simple group of logic verify method is introduced below.It is assumed that system has N number of control device, and user
Current system conditions are carried out with M related settings, i-th corresponding equipment state vector of setting is：
Ai=(ai1,ai2,…aiN) i=1,2 ..., M
Wherein, if i-th setting requirements, j-th of equipment is opening, aij=1；If it is desired to close, then aij=
0；If also can be turned on and off to j-th of equipment without being distinctly claimed, then aij=-1.It is similar, to the equipment after the completion of groups operation
State space is defined, and is expressed as B=(b1,b2,…bN), wherein, bjJ-th of equipment reaches state after the completion of representing operation,
Value implication and aijUnanimously.
A kind of special logical operator ⊕ is defined, its computation rule is as follows：
1 ⊕ 1=1；1 ⊕ 0=0；1 ⊕ -1=1；
0 ⊕ 0=1；0 ⊕ -1=0；- 1 ⊕ -1=1.
In order to ensure conflict is not present between different control commands in system, following condition need to be met：
A1⊕A2⊕…⊕An⊕ B=(1,1 ..., 1)
If conditions above is unsatisfactory for, then it represents that the groups operation has conflict to system current state or related set, and is
System will be prompted to user and concerned control command further confirmed that.
5th, sequential logic reasoning is carried out to the implementation steps of groups operation according to Time priority, Time priority is higher
Operation will be performed preferentially.Define a kind of additional character ＞, it is assumed that than s operator precedence levels of t operations are higher, then it represents that
For：
T ＞ s
If there is s in the memory headroom of logic controller1,s2,s3,t1,t2,t3Six operations, and meet following relation：
t1＞ t2＞ t3
s3＞ t1
s1＞ s2＞ s3
Sequential logic reasoning is carried out according to relation above, the Time priority of available 6 operations is：
s1＞ s2＞ s3＞ t1＞ t2＞ t3
The execution sequence for then meaning six operations is s1,s2,s3,t1,t2,t3.Belong to better simply reasoning from logic above
Computing, and in the case where logical relation is more, can be completed by programmable logic circuit.Equally, reasoning from logic computing
Implement and be related to more algorithm and circuit design matters, the scope of patent protection is not classified as, only for intelligent domestic system
In reasoning from logic pattern protected.If priority is not present just in multi-mode operation, it is carried out randomly ordered.
6th, after by sequential logic reasoning, if priority is not present just between all operations, group address is repaiied
It is changed to directly send after normal address.If in the presence of group address is split as into individual equipment address.Individual equipment physics
Address is as shown in figure 4, its form is as follows：Area【4bit】- line【4bit】- bus apparatus【1byte】.According to the row of Time priority
Sequence result sends operational order successively to distinct device, it is ensured that start distinct device successively when necessary.
Embodiment one：
User by intelligent switch send start home audio-visual system order after, corresponding intelligent switch will send towards
The message of home audio-visual system action command, involved equipment includes microphone, screen, sound console, balanced device, power amplifier, audio amplifier.It is right
For the intelligent home control system commonly based on KNX buses, above equipment can be from bus media while listening for opening
Dynamic signal.
In system disclosed in this invention, group's order will be logically controlled device capture first, logic controller
Communication interface will parse the order, and be deposited into memory headroom.Be combined logic verify first, confirm the order whether with
System is set or other equipment conflict.Might as well set the corresponding vector logic of group's order as B=(1,1,1,1,1,1, -1 ... -
1).The first six is 1 value to B vectors, corresponds respectively to six equipment started needed for group's order, and -1 value afterwards, then table
Show that group's order, without direct requirement, can only take the vectorial first six digits of B to carry out computing, that is, be rewritten as to miscellaneous equipment：B=(1,1,
1,1,1,1).And the equipment state space in system corresponding to other settings is Ai, i ∈ [1, N].First 5 are equally taken to be transported
Calculate.If any AiFirst five position be 1 or -1, then have：A1⊕A2⊕…⊕An⊕ B=(1,1,1,1,1).If in the presence of some Ai
Its first five position might as well be assumed to be the 4th expression stereo set state with the presence of 0 value, and a certain system is set by its state assignment
For 0, i.e. Ai=(1,1,1,0,1).This in a practical situation, likely correspond to sound equipment startup, and actual environment be preset as it is quiet
Sound-like state.In this case, mute state will start with sound equipment and conflict.By that can be obtained after logical operation：A1⊕A2⊕…⊕
An⊕ B=(1,1,1,0,1), it is impossible to meet logical condition set forth above, in this case system will send information and seek the opinion of use
Family opinion.If in the absence of related combinational logic conflict, completing after combinational logic verification, further implementing sequential logic school
Test.
The various equipment of audio-video system are quick on the draw to power supply, to avoid multiple equipment while starting caused dash current
And the normal transmission of signal, the distinct device of power supply audio-video system typically followed by the boot sequence of prime to rear class.It is different
Equipment meets following logical relation：
Microphone, screen ＞ sound consoles
Balanced device ＞ power amplifiers
Sound console ＞ balanced devices
Power amplifier ＞ sound equipments
It is carried out after sequential logic computing, the boot sequence that can obtain all devices is：
Microphone, screen ＞ sound console ＞ balanced device ＞ power amplifier ＞ audio amplifiers
Wherein both microphone and screen have no clear and definite temporal and logic relation, and its boot sequence will be determined at random.
Finally, sequential logic operation result is stored in memory headroom by logic controller, and sends computing knot to communication interface
Beam signal.Communication interface will read operation result from memory headroom, and each equipment into system sends startup order successively, respectively sets
Standby startup interval can set some default value, and such as 1s can be also modified according to special circumstances using host computer.
Claims (3)
1. a kind of smart home logic control method based on KNX bus protocols, it is characterised in that first, by the demand of setting
Home equipment is grouped, home equipment address, home equipment are carried out to the home equipment after packet based on KNX bus protocols
The original state of group address and home equipment is configured；Then, by host computer with the report of the group address of home equipment
Literary form sends control command and is sent in KNX buses, and logic controller receives control command from KNX buses, and to control
Order carries out parsing and judgement based on combinational logic computing and sequential logic computing；Finally, logic controller will be in accordance with control
The order of logic is sent to KNX buses according to sequential with the message of group address, realizes the Based Intelligent Control to smart home；
The combinational logic computing is whether the control command for examining the home equipment sent to after being grouped can cause distinct device
Between logic conflict, if exist conflict, logic controller suspend control command transmission, and send inquiry request；If no
In the presence of conflict, then current control commands are proceeded sequential logic computing by logic controller；
The sequential logic computing refers to judge to whether there is between the operational order of the multiple equipment included in control command
Sequential logic, if there is sequential logic, the message of group address is resolved into multiple lists by logic controller according to sequential logic
Only message sends each home equipment control command successively；If in the absence of sequential logic, logic controller is by control command
The packet labeling position of group address is revised as after effective home equipment control command flag bit, is uploaded to KNX buses；
The marker bit original state of the home equipment group address is set to 1, the group of effective home equipment control command
The flag bit of location is 0.
2. a kind of smart home logic control system based on KNX bus protocols, it is characterised in that using described in claim 1
The smart home logic control method based on KNX bus protocols, including host computer, KNX buses, KNX power supplys, wireless launcher
And logic controller, the host computer, KNX power supplys, wireless launcher and logic controller be connected with KNX buses, and household is set
Standby control end and KNX buses.
3. the smart home logic control system according to claim 2 based on KNX bus protocols, it is characterised in that institute
Stating home equipment includes lighting apparatus, sensing equipment, ventilation equipment, air-conditioning equipment, audio-visual devices and security device.
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| CN104820364A (en) * | 2015-03-13 | 2015-08-05 | 李念 | Intelligent home integrated management system and method thereof |
| CN104735143B (en) * | 2015-03-18 | 2018-05-25 | 湖南天冠电子信息技术有限公司 | A kind of lot control system and method based on smart home cloud platform |
| CN108431701B (en) * | 2015-12-16 | 2020-11-24 | 意诺科技有限公司 | Control method, control panel and control system of intelligent household equipment |
| CN105867145A (en) * | 2016-04-07 | 2016-08-17 | 北京精益理想科技有限公司 | Intelligent household equipment control method and apparatus |
| CN105739321A (en) * | 2016-04-29 | 2016-07-06 | 广州视声电子实业有限公司 | Voice control system and voice control method based on KNX bus |
| CN106707784A (en) * | 2016-12-30 | 2017-05-24 | 中科同德（北京）生态科技有限公司 | Smart home control method and system based on KNX protocol |
| CN107124481B (en) * | 2017-05-09 | 2019-10-18 | 广州海盈电气技术有限公司 | A kind of configuration method, system and the equipment of KNX group address |
| CN107102590A (en) * | 2017-05-27 | 2017-08-29 | 合肥酷特信息科技有限公司 | One kind energy-conservation building energy supplying system |
| CN107272439A (en) * | 2017-08-08 | 2017-10-20 | 滨州学院 | A kind of smart home supervising device |
| CN109446027B (en) * | 2018-10-24 | 2022-04-29 | 青岛海信智慧家居系统股份有限公司 | Scene triggering method and device based on bus system |
| CN109521717A (en) * | 2018-12-23 | 2019-03-26 | 上海上实龙创智慧能源科技股份有限公司 | A kind of edge calculations logic controller with protocol translation |
| CN109709814B (en) * | 2018-12-26 | 2020-05-01 | 北京蓦然认知科技有限公司 | Method and device for dynamically constructing conflict checking rule table in smart home |
| CN110044012B (en) * | 2019-04-15 | 2020-09-15 | 珠海格力电器股份有限公司 | Operating instruction processing method, device, equipment and medium for air conditioner control system |
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