CN101799682A - Intelligent control system for household equipment and method for controlling same - Google Patents
Intelligent control system for household equipment and method for controlling same Download PDFInfo
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Abstract
The invention relates to an intelligent control system for household equipment, comprising a central controller, a control node, a use control terminal and a control auxiliary. The control node is formed by first household equipment which has external data communication capacity; the user control terminal is used for sending a control command to the control node; the control node and the user control terminal are connected to the central controller; the control auxiliary is connected to the inner bus of second household equipment except the first household equipment through a USB interface; and the control auxiliary is connected with the central controller and is used for receiving the control command sent by the user control terminal through the central controller. Because one control auxiliary is connected to the second household equipment, the second household equipment has the same communication capacity as the first household equipment, and the second household equipment can be upgraded easily with low cost. The invention also relates to a method for controlling the intelligent control system for the household equipment.
Description
Technical field
The present invention relates to a kind of intelligence control system, especially a kind of multiple home appliance controlled
Intelligence control system;
The invention still further relates to a kind of control method of above-mentioned home appliance intelligence control system.
Background technology
Network home appliance is the novel household appliance product that normal domestic use electrical equipment is utilized digital technology, network technology and intelligent control technology design improvement.Network home appliance can be realized interconnected composition one family internal network, and this home network can be connected with external the Internet again simultaneously.The network home appliance technology comprises two aspects: at first be exactly the interconnection problems between the household electrical appliances, just make between the different household electrical appliances and can discern collaborative work mutually.Second aspect is to solve communicating by letter of appliance network and external network, makes appliance network in the family really become the extension of external network.Think that at present more feasible network home appliance comprises network refrigerator, network air-conditioner, internet-washer, network water heater, network microwave oven, network cooker etc.
China Intellectual Property Office discloses a kind of remote household electrical appliance control system on May 20th, 2009, publication number is CN 101436972, comprise control center server, home gateway, home appliance and remote control terminal, here said home appliance includes a household electrical appliances communication module with unique sequence number that communicates with home gateway, the home appliance that promptly has communication capacity, but for not possessing and the extraneous home appliance that carries out its communication ability, then can't the access appliance control system, the user must all be updated existing home appliance in the family and be become to possess and the extraneous network home appliance that carries out its communication ability, can be suitable for this system, cost is very high.
Summary of the invention
The present invention mainly is the very high problem of home appliance update cost when solving existing in prior technology and being suitable for intelligent control system of domestic electric appliances, propose a kind of home appliance intelligence control system that can control intelligent appliance equipment, non intelligent home appliance simultaneously, the invention allows for a kind of control method of using said system simultaneously intelligent appliance equipment, non intelligent home appliance to be controlled simultaneously.
To achieve the above object of the invention, first technical scheme of the present invention is:
A kind of home appliance intelligence control system, it comprises central control unit; By the Control Node that first kind home appliance forms, first kind home appliance is meant the home appliance with external data communication ability; User control terminal is used for to the Control Node sending controling instruction; Control Node, user control terminal insert central control unit; The control annex is connected by USB interface on the internal bus of the second class home appliance except that first kind home appliance, and the control annex inserts central control unit and receives the steering order of user control terminal by central control unit.
First kind home appliance is meant the intelligent appliance with external data communication ability, and the second class home appliance is meant the non intelligent household electrical appliances that do not possess aforementioned capabilities.Connect a control annex on the second class home appliance by being arranged on, make it have the communication capacity identical with first kind household electrical appliances, and then finish the upgrading of the second class home appliance, simple possible and upgrade cost are also lower.
Second technical scheme of the present invention is:
A kind of control method of home appliance intelligence control system, it comprises the steps:
(1) Control Node, control annex, user control terminal power on, and send login request message to central control unit;
(2) after central control unit is received login request message, be respectively Control Node, control annex, control terminal distribute a logical address, and return registration reply message and inform and succeed in registration;
(3) Control Node, control annex, user control terminal send initialization requests message respectively to central control unit, and initialization requests message comprises whether characterization control node, control annex or user control terminal support the content of encrypting;
(4) central control unit returns initialization response message and informs the initialization success, if Control Node, control annex or user control terminal support are encrypted, then comprises the key that central control unit provides in the initialization response message.
Technique scheme can also further be optimized, and as preferably, it further comprises the steps:
(1) after the Control Node initialization success, central control unit sends a state update inquiry information to user control terminal, and user control terminal is returned a state and upgraded response message;
(2) after central control unit receives that state upgrades response message, send a state update inquiry information, inform that Control Node can receive the action request message from user control terminal to Control Node.
As preferably, after it further comprised the steps: to control annex initialization success, central control unit sent a state update inquiry information to user control terminal, and user control terminal is returned a state and upgraded response message.
As preferably, it further comprises the steps:
(1) user control terminal sends action request message to central control unit;
(2) central control unit is repacked action request message, and is transmitted to the control annex;
(3) response message that returns of control annex is transmitted to user control terminal after central control unit is repacked.
As preferably, action request message is used for the multiple action command of drive controlling node, control annex, at least comprise a kind of in the two of dedicated action message, general action message, control method comprises the steps: that further (1) receive that the Control Node of action request message and control annex return the action response message that a sign is received action request message to user control terminal at least; (2) Control Node and control annex also return the action description message of a sign to the execution result of action request to user control terminal.
As preferably, initialization requests message also comprises the characterization control node, whether the control annex supports the content of dedicated action message, the characterization control node, the content of the dedicated action message that the control annex is supported and the driving version information of general action message, if central control unit judges that the action message version of its storage is different with the action message driving version of Control Node or user control terminal, then send a file transfer requests message to Control Node or user control terminal, receive that the Control Node or the user control terminal of message return a file transfer response message, action message with higher-version drives the action message driving that is uploaded to central control unit or downloads higher-version from central control unit subsequently, finishes described Control Node of uploading or downloading or user control terminal and sends a file transfer Indication message that is used for feedback file transmission result to central control unit.
As preferably, it comprises the steps: that also central control unit sends solicitation message to Control Node or control annex, if in setting-up time, do not receive the detection request response, judge that then Control Node or control annex are in off working state, and to user control terminal transmit status update inquiry information; Also to Control Node or control annex transmit status inquiry request message, Control Node or control annex return and include the status enquiry response message that characterizes the work at present state central control unit.
As preferably, login request message comprises the device class number that is used to distinguish polytype Control Node, control annex and user control terminal, registration reply message comprises a logical address, and logical address comprises device class number and distributes to the device number of each equipment.
Because the employing of technique scheme, the present invention has following advantage:
The present invention is equipped with the control annex on original non intelligent household electrical appliances, make its characteristic that possesses intelligent appliance, is a kind of easy realization, lower-cost implementation;
Form open agreement between the Control Node of central control unit of the present invention and electric equipment, both supported the agreement (general action message) of universal class, also support private type agreement (dedicated action message).For general action agreement, as long as household appliances manufacturer supports the general action agreement of this kind equipment, that will insert this control system very easily; Household appliances manufacturer can propose the proprietary protocol of oneself, finishes the software upgrading of data transmission and home appliance node, has good opening and extensibility;
Central control unit of the present invention and electric equipment Control Node, control annex or when being connected, the employing encryption technology has very high security.
Description of drawings
Fig. 1 is a kind of general structure block diagram of home appliance intelligence control system among the present invention;
Fig. 2 is a kind of structured flowchart of the central control unit part among Fig. 1;
Fig. 3 is a kind of structured flowchart of the Control Node part among Fig. 1;
Fig. 4 is a kind of structured flowchart of the user control terminal part among Fig. 1;
Fig. 5 is a kind of structured flowchart of the control accessories section among Fig. 1;
Fig. 6 is a kind of synoptic diagram of HS protocol package form among the present invention;
Fig. 7 is a kind of synoptic diagram of LS protocol package form among the present invention;
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
Home appliance intelligence control system as shown in Figure 1 is made up of three parts, the Control Node OPN (OpenNode) and the user control terminal OPH (Open Hand) that are respectively central control unit OCC (Open Control Center), form by first kind home appliance, wherein, OPH can be divided into two kinds of local control terminal and remote control terminals again.
If controlled home appliance does not possess communication function, then need to be equipped with a control annex OPD (Open Dock).Parallel on the OCC/OPN/OPH/OPD communication level, be referred to as communication node.
Central control unit OCC as shown in Figure 2 is used for realizing data route and multiple management function, simultaneously, also can control the multiple home appliance that is attached thereto, and accepts the control of user control terminal OPH.Concrete, the function that it can be realized has (but being not limited in following): (1) data router, finish the Wireless/wired access of various peripheral hardwares; (2) each OPN is carried out the network address management, safety inserts, and realizes the information transmission between OPH and the OPN, realizes being up to the function of session layer; (3) act on behalf of forwarding capability, when the long-range access of OPH, carry out control command and transmit, or OPH is changed to the control messages that OPD sends; (4) storage; (5) version management is supported with upgrading.
Control Node OPN has as shown in Figure 3 realized the data communication with OCC, and accepts the control of OPH.OPN only supports the high speed of WIFI to insert, and by the CPU two-way communication of local bus 2 with home appliance.Simultaneously OPN also accepts the control of the opertaing device (as hand-held Infrared remote controller) that home appliance carries, and this controller that carries is articulated on original local bus1.Control Node OPN can be mutual with OCC, finishes initialization, function such as safety connections etc., and in addition, it can also be handled chain of command and user's face, and is independent and OPH is mutual.
User control terminal OPH has as shown in Figure 4 realized the interactive function with the user, and can realize directly management and control to OPN and OPD, in addition, it comprises a touch-screen, be used to show a plurality of menu interfaces, after the user pressed certain button, control corresponding message will be issued.User control terminal OPH can be a specialized apparatus, also can be installed on the mobile phone that possesses data communication function, and on the computer, in addition, its system version can be upgraded.
Control annex OPD as shown in Figure 5 is used to connect the second class home appliance that does not possess the control data communication function, makes it to become controlled OPN.OPD is connected to by USB interface on the internal bus of controlled device, and its wireless portion adopts low speed 2.4GHz link, and, the shared wireless bandwidth of all OPD that is connected with OCC.OPD has realized mutual with OCC, and finishes functions such as initialization, safety connection.
Below, the principle of work of home appliance intelligence control system shown in Figure 1 is described.
As shown in Figure 2, aspect the use of Radio Resource, native system has used two kinds of wireless connections modes: the low speed chain circuit of a kind of 2.4GHz of being based on (hereinafter to be referred as LS), another kind are based on the high-speed link (hereinafter to be referred as HS) of WIFI (802.11b/g etc.).No matter be LS or HS, home appliance is before connecting OCC, and all prewired physical address that is equipped with separately after registration OCC success, promptly can obtain a logical address (hereinafter to be referred as OPName).
Low speed chain circuit LS uses ISM band, provides the bandwidth of the highest 1Mbps, full duplex.All low-speed devices are shared up/downlink bandwidth, i.e. a different fixed frequency is respectively used in up-downgoing.Mainly for using between OPD and OCC, network is the hub-and-spoke configuration of one-to-many to LS, and promptly an OCC communicates by letter with a plurality of OPD as the center.Therefore, on up direction (OPD-〉OCC), when a plurality of OPD send data simultaneously, just having conflict and taking place, at this moment, can adopt the Carrier Sense Multiple Access CSMA/CA technology of collision detection to carry out data and send; On down direction (OCC-〉OPD), owing to have only individual channel, OCC can be with data broadcasting to all OPD, and OPD judges whether the destination address of this packet is the physical address of this equipment, and then make and receive or abandon action.
High-speed link HS provides the highest 100Mbps or higher bandwidth according to 802.11 the version difference of using.HS defers to 802.11 agreements of standard fully and uses IP stack as carrying on using method.Wherein, udp port number is fixed as 60000.In the network, OCC serves as the focus of WIFI, is responsible for functions such as safe access, DHCP, encryption, data route, and OPH, OPN can obtain resources such as IP address after accessing to your password and inserting.The interior net address of OCC itself is fixed, and as the gateway address of each OPH, OPN.Therefore, HS provides at a high speed and the One-to-one communication function of encrypting.
Control system shown in Figure 1 adopts open control protocol (hereinafter to be referred as OCP), and concrete, it is a kind of agreement that is used for Communication Control between OCC/OPH/OPN/OPD that is carried on the Radio Link (LS/HS).From protocol hierarchy, OCP possesses data link layer (LS), network layer (LS), transport layer (LS﹠amp; HS), application layer (LS﹠amp; HS) function, for HS, OCP is carried on the IP/UDP (User Datagram Protocol); And concerning LS, OCP is carried in the LS physical layer protocol bag.
All support the home appliance of OCP all must support basic messae and flow process (the BasicMessage ﹠amp of OCP; Flow), it has provided the function such as registration, monitoring of equipment; The equipment that clearly is assigned device number all supports the type equipment (because equipment, the function of the monitoring of OCC are different, therefore the OCP agreement is effectively classified to various device, same type equipment device class is number identical) general utility functions, be equipment general action message (General Action Message, GAM); If manufacturer need add extra function or use specific operator scheme, also can provide its specific message set, be referred to as dedicated action message (Private Action Message, PAM).General action message does not elaborate at this because equipment is different and of a great variety, can have invention to be provided in addition; Dedicated action message is then provided by producer.In addition, the GAM of communicating pair should remain consistent with the version of PAM in the system.
When being devices allocation logical address OPName, on the basis of device class number, device class number and device number are enrolled in the lump, so that difference management a plurality of equipment of the same type, its form is as shown in table 1:
Table 1
OPName is 16bits altogether, and preceding 8bits is device class number (Class ID), and back 8bits is device number (Device ID).Device class predefine is as shown in table 2, and device number is then distributed unitedly when the facility registration by OCC.If OPName is 0x0000, then represent invalid or unappropriated device number; If OPName is 0xFFFF then is broadcast address.
| Classification (Class) | Classification number | ??Comment |
| ??OPH | ??0x01 | |
| ??OCC?OPH??proxy | ??0x02 | OCC is as the agency of OPH |
| ??OCC?OPD??proxy | ??0x03 | OCC is as the agency of OPD |
| TV | ??0x04 | |
| Refrigerator | ??0x05 | |
| ??… | ??0x06-0xFE | Keep (Reserved) |
| Unfiled | ??0xFF |
Table 2
Wherein, classification number 0xFF is assigned to not classified equipment, when this kind equipment is registered, only provides its title among the payload of login request message (Register Request), and can only support special function message.
HS protocol package form as shown in Figure 6, the protocol header length of HS OCP is for fixing 8 bytes, below explanation respectively:
1) Source OPName:16bits, this field provides the OPName of message sender;
2) Destination OPName:16bits, this field provides the OPName of message receiver;
3) Length: protocol body length (in Byte), 16bits does not comprise the length of protocol header;
4) G:1bit, whether this zone bit indicates this bag is general action message, and this zone bit is only effective when being among Action Request, Action Response or the ActionIndication one in the type (type) of Payload, wherein, G=0 is general action message, and G=1 is a dedicated action message;
Whether 5) S:1bit, this zone bit indicate this bag is to encrypt message, and wherein, S=0 is the unencryption message, and S=1 is for encrypting message;
6) Resolved: keep the position, use when upgrading after giving over to.
Be protocol body, just payload (payload) after the OCP protocol header.
LS protocol package form as shown in Figure 7, the protocol header length of LS OCP is fixed as 4 bytes, below respectively the explanation:
1) Dir:Direction Flag, it is the upstream or downstream packet that this zone bit indicates this bag, that Dir=0 represents is descending (OCC-〉OPD), that Dir=1 represents is up (OPD-〉OCC);
2) Physical Address:15bits, the physical address of OPD presets before dispatching from the factory, can change; Work as Dir=0, promptly during downstream packets (OCC sends), this physical address is the take over party address, works as Dir=1, and promptly during uplink packet (OPD sends), this physical address is a sender address;
3) Length:8bits, the length of protocol body (in Bytes) does not comprise protocol header length and CRC length;
4) G:1bit, whether this zone bit indicates this bag is general action message, and this zone bit is only effective when being among Action Request, Action Response or the ActionIndication one in the type (type) of Payload, wherein, G=0 is general action message, and G=1 is a dedicated action message;
Whether 5) S:1bit, this zone bit indicate this bag is to encrypt message, and wherein S=0 is the unencryption message, and S=1 is for encrypting message;
6) Resolved keeps the position, uses when upgrading after giving over to;
7) CRC16,16bits, the proof test value of CRC16 position, at whole message (comprising message header and payload), in addition, if radio hardware provides CRC then to need not to use this field.
Be protocol body, just payload (payload) after the OCP protocol header, before the CRC16 field.
Basic messae mentioned above and flow process (Basic Message ﹠amp; Flow) the equipment room message format and the interactive mode of OCP agreement have been stipulated to meet.Basic messae comprises:
(1) login request message (Register Request), when equipment (OPH, OPD, OPN) power on after, to the OCC login request message, form by type of message (seeing also table 3) and classification number Class ID two parts content of sending the equipment of request;
(2) registration reply message (Register Response), this message is the response of OCC to RegisterRequest, be sent to OPH, OPN, OPD by OCC, comprise type of message (seeing also table 3), execution result (seeing also table 4), logical address (seeing also table 1) three partial contents;
(3) initialization requests message (Initialization Request), this message sends in facility registration success back, be used for synchronous initiation information between equipment and OCC, be sent to OCC by OPH, OPN, OPD, comprise type of message (seeing also table 3), initialization option (seeing also table 5), action message version (seeing also table 6) three partial contents;
(4) initialization response message (Initialization Response), this message is the response to Initialization Request, be sent to OPH, OPN, OPD by OCC, comprise type of message (seeing also table 3), execution result (seeing also table 4), security code (seeing also table 7) three partial contents;
(5) action request message (Action Request), this message as OPH to OPN or the OPD indication of giving an order, the multiple action command that is used for drive controlling node (OPN), control annex (OPD), action request message (Action Request) can be dedicated action message, it also can be general action message, this need be specified in the OCP protocol header, and action request message comprises type of message (seeing also table 3) and command context two parts;
(6) action response message (Action Acknowledgement), this message is the response to ActionRequest, send back to OPH by the OPN that receives Action Request, or after the OCC transfer, send back to OPH by OPD, comprise type of message (seeing also table 3) and execution result (seeing also table 4) two parts;
(7) action Indication message (Action Indication), this message are used for OPN or OPD to the implementation status of OPH indication to its order indication, message hereto, and OPH need not to provide response;
(8) status query requests message (State Inquiry Request), this message by OPH to OPN or OPD, OCC sends to OPN or OPD, is used for the query facility state, and this message comprises type of message (seeing also table 3) and query option (seeing also table 8) two parts;
(9) status enquiry response message (State Inquiry Response), this message is the response to State Inquiry Request of OPN, OCC, three kinds of equipment of OPD, comprises that type of message (seeing also table 3), execution result (seeing also table 4), duty (seeing also table 9), working time (is unit with the second), message statistics (seeing also table 10) five parts form;
(10) state update inquiry information (State Update Request), send to OPH by OCC, or send to OPN by OCC, when OCC has detected the equipment state change, be about to this message and send to OPH or OPN, this message comprises type of message (seeing also table 3), state changes type (seeing also table 11), state changes the former logical address (seeing also table 1) of equipment, state changes the new duty (seeing also table 9) of equipment, security code (seeing also table 7), selectively, when changing, the logical address of equipment comprises that state changes the new logical addresses (seeing also table 1) of equipment, add the fashionable state that also comprises as new equipment and change the initialization option (seeing also table 5) and the action message version (seeing also table 6) of equipment, when changing, the device address comprises also that state changes the address information (seeing also table 12) of equipment;
(11) state upgrades response (State Update Response), this message be OPH or OPN to the response of State Update Request, comprise type of message (seeing also table 3) and execution result (seeing also table 4) two parts;
(12) solicitation message (Echo Request), this message is the ping message between OPH, OPN and OCC, be sent to OPD, OPH or OPN by OCC, when the three guarantees Echo of continuous transmission Request does not all meet with a response, then the receiving end work of OCC decision message is undesired, promptly is in off working state;
(13) detect request responding message (Echo Response), the response of this message Echo Request that to be OPD, OPH or OPN send OCC comprises type of message (seeing also table 3) and Equipment Serial Number (when equipment was restarted, sequence number made zero);
(14) outage prompting (Power off Indication), this message is sent to OCC by OPD, OPH or OPN when needs cut off the power supply;
(15) OCC resets and points out (OCC Reset Indication), when OCC is restarted for a certain reason, sends this message and gives all devices (OPD, OPH, OPN), receives all devices of message and need register again after OCC is restarted;
(16) unknown command prompting (Unknown Command Indication), when any one communication node in the system (OPN, OPH, OCC, OPD) when receiving the instruction that to discern, can send this message and send end to instruction, this message comprises type of message (seeing also table 3) and two parts of execution result (seeing also table 4).
(16) file transfer requests (File Transfer Request), this message is transmitted in OCC, OPH and OPN three, be used for a certain communication node and carry out file transfer to another communication node request, for example, if it is low excessively that OCC finds that the action message of a certain OPN of its storage drives version, then need to send file transfer requests, obtain to drive with the action message of OPN identical version to this OPN;
(17) file transfer response (File Transfer Response), the communication node of receiving file transfer requests is to message sender backspace file transmission response, and acknowledge message is received;
(18) file transfer indication (File Transfer Indication), the communication node of receiving file transfer requests comprises the transmission result's who characterizes file information to message sender backspace file transmission indication.
The type of message that is comprised in the above-mentioned message has the field in the following table to provide, and receiving end is made judgement according to field to type of message, and carries out corresponding action.
| ??Message?Type | ??Value |
| ??Register?Request | ??0x01 |
| ??Register?Response | ??0x02 |
| ??Initialization?Request | ??0x03 |
| ??Initialization?Response | ??0x04 |
| ??Action?Request | ??0x05 |
| ??Action?Acknowledgement | ??0x06 |
| ??Action?Response | ??0x07 |
| ??State?Inquiry?Request | ??0x08 |
| ??State?Inquiry?Response | ??0x09 |
| ??State?Update?Request | ??0x0a |
| ??State?Update?Response | ??0x0b |
| ??Echo?Request | ??0x0c |
| ??Echo?Response | ??0x0d |
| ??Power?off?Indication | ??0x0e |
| ??OCC?Reset?Indication | ??0x0f |
| ??File?Transfer?Request | ??0x10 |
| ??File?Transfer?Response | ??0x11 |
| ??File?Transfer?Indication | ??0x12 |
| ??Message?Type | ??Value |
| ??Unknown?Command?Indication | ??0xff |
Table 3
Following field provides the execution result of equipment to order:
| ??Cause?Type?ID | ??Comments |
| ??0x00 | Success |
| ??0x01 | Failure (parameter error) |
| ??0x02 | Failure (the action message version does not match) |
| ??0x03 | Failure (overtime) |
| ??0x04 | Failure (no respective resources) |
| ??0x05 | Failure (no relevant device is at OPD) |
| ??0x06-0xFE | Reserve |
| ??0xFF | Failure (other reasons) |
Table 4
Following field has provided the initialization option of equipment requirements, and each represents a request:
Table 5
Wherein, DD is used to refer to equipment and whether supports dedicated action message, and DD=1 is for supporting that DD=0 is not for supporting; Whether SS is used to refer to this equipment and supports to encrypt, and SS=1 is for supporting that SS=0 is not for supporting.
Following field has provided the GAM that an equipment supports, the version information of PAM:
Table 6
The version of GAM and PAM message is all at single equipment in the last table.
Following field has provided the encryption key that OCC distributes to OPN, OPH:
Table 7
Following field has provided the option of each state of query facility, and each represents a request:
Table 8
Wherein: whether WS is used to refer to the duty of query facility; Whether LT is used to refer to the working time of query facility; Whether MS is used to refer to the messaging statistics of query facility.
Following field has provided the duty of equipment:
| ??State | ??Value |
| Unknown | ??0x00 |
| Outage | ??0x01 |
| Initialization | ??0x02 |
| Work | ??0x03 |
Table 9
Following field has provided the statistical information of equipment messaging:
Table 10
The state that following field has provided equipment changes type:
| State changes type | ??Value |
| New adding equipment | ??0x01 |
| Device attribute changes | ??0x02 |
| Device powers down | ??0x03 |
Table 11
Following field has provided OPH, OCC as the transfer agency of OPD, the address message of OPN:
Table 12
Next, provide one by OCC, support the example of operational process of the mobile phone (OPH) of the OPN that the TV (first kind home appliance) of OCP agreement forms, the water heater (the second class home appliance) that is equipped with OPD, support OCP agreement:
(1) OCC starts
Behind the OCC electrifying startup, empty resource pool, delete temporary file, read configuration file, monitor 60000 ports, send out initialization action such as Reset Indication message and initialization DHCP, wait for the access of OPH, OPN, OPD then.
(2) televisor (OPN) starts;
2.1) the OPN back that powers on earlier carries out WIFI to OCC and insert, and uses predefined WIFI cryptographic protocol, as WEP or WPA, and predefined password lands, and can obtain IP (192.168.*.* is as 192.168.0.117) after the success;
2.2) then OPN is to OCC (IP is 192.168.0.1) transmission Register Request message, this message comprises the type (the Class ID 0x04 of televisor) of OPN;
2.3) OCC receives message, is that OPN distributes Open Name, and sending Register Response message to OPN, indication OCC has admitted this node, provides it and uses the Open Name that distributes;
2.4) OPN transmission Initialization Request, comprise in this message whether OPN supports to encrypt and whether support dedicated action message, and the general action message of supporting (GAM) and the version information of dedicated action message (PAM);
2.5) OCC returns Initialization Response message, indicates successfully, if OPN supports to encrypt, then provides key;
Because OPH this moment (mobile phone) also is not activated, so attonity is mutual, in addition:
2.6) OCC sends out Echo Request and give OPN to determine its whether operate as normal, if the OPN Echo Response that then returns working properly;
2.7) OCC sends out State Inquiry Request message and give OPN, inquires its working condition, OPN gives and its answer by State Inquiry Response.
(3) mobile phone (OPH) starts, subsequently, and the Management Television machine
3.1) as OPN, carry out WIFI to OCC earlier behind the handset starting and insert, obtain the IP address, as 192.168.0.122;
3.2) then OPH send out Register Request message to OCC, comprise the type (OPH type 0x01) of OPH in the message, OCC returns Register Response and represents to admit OPH and give and its OpenName;
3.3) OPH sends out Initialization Request and give OCC, comprise whether supporting to encrypt and support dedicated action message in the message, but do not comprise the version information of any GAM, PAM in this message;
3.4) OCC returns Initialization Response and gives OPH, if encryption then also needs to beam back key;
3.5) OCC sends out State Update Request message and give mobile phone OPH, notice OPN has reached the standard grade, and can handle, and OPH returns State Update Response and adds their confirmation, simultaneously OCC sends out StateUpdate Request message and gives TV OPN, notifies it can accept order from herein;
3.6) all afterwards alternately all between OPH and OPN, OCC does not participate, and only is responsible for state-maintenances (as described in preceding 2.6 and 2.7) such as EchoRequest and State Inquiry Request;
3.7) mutual between OPH and the OPN all undertake alternately by Action Request, ActionAcknowledgement and Action Indication, the execution result of the command context of Action Request, Action Acknowledgement all definition and the version with GAM and PAM is relevant.
Provide the tabulation of field of the general action message of an expression televisor OPN below.
| Change platform | ??0x01 |
| Channel adds one | ??0x02 |
| Channel subtracts one | ??0x03 |
| Volume increases | ??0x04 |
| Volume reduces | ??0x05 |
| Shutdown | ??0xFF |
Table 13
For instance, change platform as needs, then the code of command context part is 0,x01 07 (01 for changing platform, and 07 is channel), and the execution result that returns is that 0x00 represents that then changing platform operates successfully.
(4) water heater (band OPD) starts, and subsequently, mobile phone is handled to its heating also regularly
4.1) the OPD back that powers on uses the CSMA/CA technology, and Register Request is sent to OCC, because CSMA/CA can not guarantee not conflict on the channel, so OPD then retransmits this message if receive RegisterResponse behind certain hour;
4.2) after OCC receives that Register Request message and verification are correct, sending RegisterResponse message informing OPD succeeds in registration, and distribution OP Name, the downlink message that OCC sends all sends with the forms of broadcasting, has only the OPD that meets given destination address in the packet header just should accept this message;
4.3) OPD sends Initialization Request to OCC, inform whether this OPD supports to encrypt and whether support dedicated action message, and provide the version information of GAM and PAM;
4.4) OCC sends Initialization Response to OPD, indicate successfully, as if providing key in the lump;
4.5) OCC sends State Update Request message to OPH, tells OPH that new water heater is available, OPH returns State Update Response message, and expression is confirmed;
4.6) next, OPH sends Action Request message to OCC, the field of its command context that comprises part is 0,x01 10, expression is opened switch and was switched on 10 minutes, this message sends by WIFI, after OCC receives message, OCP protocol package is wherein taken out, be repackaged into the protocol package form of LS, the down channel by LS sends to OPD;
4.7) OPD receive this bag and verification errorless after, notify the internal control chip of water heater and order it to begin heating by USB interface, regularly ten minutes, then OPD sent Action Response message to OCC, OCC transmits this message and gives OPH, and notification command is received and carried out;
4.8) in service, OCC can send Echo Request and State Inquiry Request inquiry and safeguard the state of OPD.
(5) mobile phone (OPH) Management Television machine (OPN) shutdown
5.1) mobile phone OPH send command context be the Action Request message of 0xff to TV OPN, order its shutdown;
5.2) after OPN receives this message, return Action Response earlier and represent to accept, subsequently, return a Power Off Indication message and give OCC, the expression shutdown;
5.3) after OCC receives this message, send out a State Update Request and represent that to OPH this OPN rolls off the production line, OPH receives after this message it from communication tabulation the inside deletion.
(6) water heater regularly finishes, and shuts down
6.1) after the hot water time arrives, water heater control chip notice OPD, OPD sends out Action Indication and gives OCC, and OCC receives that the back transmits OPH, and is burned thereby OPH knows hot water.
Claims (10)
1. home appliance intelligence control system, it comprises
Central control unit;
By the Control Node that first kind home appliance forms, described first kind home appliance is meant the home appliance with external data communication ability;
User control terminal is used for to described Control Node sending controling instruction;
Described Control Node, described user control terminal insert described central control unit, and it is characterized in that: it also comprises
The control annex, be connected by USB interface on the internal bus of the second class home appliance except that described first kind home appliance, described control annex inserts described central control unit and receives the steering order of described user control terminal by described central control unit.
2. the control method of a home appliance intelligence control system as claimed in claim 1 is characterized in that, it comprises the steps:
(1) Control Node, control annex, user control terminal power on, and send login request message to described central control unit;
(2) after described central control unit is received described login request message, be respectively described Control Node, control annex, control terminal distribute a logical address, and return registration reply message and inform and succeed in registration;
(3) described Control Node, control annex, user control terminal send initialization requests message respectively to described central control unit, and described initialization requests message comprises whether the described Control Node of sign, control annex or user control terminal support the content of encrypting;
(4) described central control unit returns initialization response message and informs the initialization success, if described Control Node, control annex or user control terminal support are encrypted, comprises the key that described central control unit provides in the then described initialization response message.
3. control method according to claim 2 is characterized in that it further comprises the steps:
(1) after the Control Node initialization success, described central control unit sends a state update inquiry information to described user control terminal, and described user control terminal is returned a state and upgraded response message;
(2) after described central control unit receives that described state upgrades response message, send a state update inquiry information, inform that described Control Node can receive the action request message from described user control terminal to described Control Node.
4. control method according to claim 2, it is characterized in that, after it further comprises the steps: described control annex initialization success, described central control unit sends a state update inquiry information to described user control terminal, and described user control terminal is returned a state and upgraded response message.
5. control method according to claim 4 is characterized in that it further comprises the steps:
(1) described user control terminal sends action request message to described central control unit;
(2) described central control unit is repacked described action request message, and is transmitted to the control annex;
(3) response message that returns of described control annex is transmitted to described user control terminal after described central control unit is repacked.
6. according to claim 3 or 5 described control methods, it is characterized in that, described action request message is used to carry the action command of the described Control Node of multiple driving, control annex, at least comprise a kind of in the two of dedicated action message, general action message, described control method further comprises the steps:
(1) receives that the described Control Node of described action request message and control annex return the action response message that a sign is received described action request message to described user control terminal at least;
(2) described Control Node and control annex also return the action description message of a described sign to the execution result of described action request to described user control terminal.
7. control method according to claim 6, it is characterized in that: described initialization requests message also comprises and characterizes the content whether described Control Node, control annex support dedicated action message, characterizes the content of the driving version information of described Control Node, described dedicated action message that the control annex is supported and general action message;
If described central control unit judges that the action message version of its storage is different with the action message driving version of described Control Node or user control terminal, then send a file transfer requests message to described Control Node or user control terminal, receive that the described Control Node or the user control terminal of message return a file transfer response message, action message with higher-version drives the action message driving that is uploaded to described central control unit or downloads higher-version from described central control unit subsequently, finishes described described Control Node of uploading or downloading or user control terminal and sends a file transfer Indication message that is used for feedback file transmission result to described central control unit.
8. according to claim 3 or 4 or 5 described control methods, it is characterized in that it also comprises the steps:
Described central control unit sends solicitation message to described Control Node or control annex, if in setting-up time, do not receive the detection request response, judge that then described Control Node or control annex are in off working state, and to described user control terminal transmit status update inquiry information.
9. control method according to claim 8 is characterized in that it also comprises the steps:
Also to described Control Node or control annex transmit status inquiry request message, described Control Node or control annex return and include the status enquiry response message that characterizes the work at present state described central control unit.
10. control method according to claim 2, it is characterized in that: described login request message comprises the device class number that is used to distinguish polytype described Control Node, control annex and user control terminal, described registration reply message comprises a logical address, and described logical address comprises described device class number and distributes to the device number of each equipment.
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