CN2938187Y - Building controller based on Enthernet - Google Patents
Building controller based on Enthernet Download PDFInfo
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- CN2938187Y CN2938187Y CN 200620124131 CN200620124131U CN2938187Y CN 2938187 Y CN2938187 Y CN 2938187Y CN 200620124131 CN200620124131 CN 200620124131 CN 200620124131 U CN200620124131 U CN 200620124131U CN 2938187 Y CN2938187 Y CN 2938187Y
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Abstract
The utility model relates to a building controller based on Ethernet, which comprises an embedded CPU; an Ethernet interface module which realizes communication with monitoring computers or another one or more building controllers, and is connected with the embedded CPU; and a serial communication interface which communicates with the remote data of the intelligent equipment and is connected with the embedded CPU. The utility model has strong anti-jamming capability and information carrying capacity and can be operated offline. The utility model communicates with monitoring computers through the ModBus / TCP protocol, and communicates with other building controllers through the UDP protocol. The adoption of an event-based message exchange format enables rapid information exchange among building controllers by smaller flow occupation, thus ensuring a real-time control. The utility model supports network communication among controllers, therefore, can form a large-scale application system.
Description
Technical field
The utility model relates to a kind of direct digital controller (DDC), especially a kind of being applied in the intelligent building, and based on the Ethernet ICP/IP protocol, the building controller that interior of building equipment is monitored.
Background technology
Along with the continuous development of human society, various types of buildingss play more and more important effect in the mankind's life and work.Along with the modern times to the going deep into of the research of building automatic, the popularizing of various electronics and networking products, some offices also improve constantly with the automaticity of the internal unit that building or family expenses are built thereupon.In order fully effectively to bring into play the potentiality of relevant device in the buildings, improve the overall performance of building control system, reduce equipment operation energy consumption and system's operation and maintenance cost, the intelligent controller that electromechanical equipment in the buildings is monitored arises at the historic moment.
In buildings, some guarded regions or a certain watch-dog not only have digital quantity or analog signals, and the collection of multiple signal demand controller is often arranged.Prior art has had multiple intelligent controller, the DDC of Honeywell (direct digital controller (DDC)) for example, universal serial bus technology such as main employing RS485, when project installation, need independent wiring, not only the construction work amount is big, poor anti jamming capability, and construction wiring is repeatedly finished in the comprehensive wiring of some building, also bring inconvenience to the user, on the other hand, present DDC is the not communication between support controller, and the user can only select the DDC of different disposal ability according to field size, cause device category many, the user needs a greater variety of standby redundancies.
The utility model content
The purpose of this utility model is aimed at the many disadvantages of intelligent controller in the prior art, a kind of building controller based on Ethernet (hereinafter referred EBC) has been proposed, can be applied in fields such as building intelligent, Industry Control, data pass collection, by means of Industrial Ethernet, realize a plurality of relatively independent separately collaborative mutually again building controller communications each other based on Ethernet, realize the control of scale complex system, use communicating by letter of Modbus/TCP agreement and host computer simultaneously, thereby realize the real-time monitoring of Architectural Equipment and industrial process.
For achieving the above object, the utility model provides a kind of building controller based on Ethernet, comprise: embedded type CPU, this embedded type CPU is connected with the serial communication interface that is used to be connected the ethernet interface module of outer monitoring computing machine or control device and is used for carrying out with smart machine remote data communication.
Also comprise the program storage and the data-carrier store that link to each other with described embedded type CPU in such scheme, described program storage and data-carrier store can be erasable formula storer, the preferred erasable formula flash memory of wherein said program storage.
Described serial communication interface can be the RS485/RS232 communication interface, and described serial communication interface is provided with the bridle wire apparatus of adjusting interface type, and the user can utilize bridle wire apparatus to select to use RS485 or RS232.
In technique scheme, also comprise the input/output control circuit module, link to each other with described embedded type CPU, be used to provide CPU to the control of imput output circuit and the bus interface of exchanges data.Be provided with in the described input/output control circuit module: be connected with described embedded type CPU, the analog quantity load module that is used to provide multichannel simulating signal input and input signal is carried out the multidigit high speed analog-to-digital conversion and accepts the input of passive and active switch amount, and/or the analog output module that is used to provide multi-channel analog signal output, output signal is carried out digital-to-analog conversion, and/or be used to provide the digital quantity input module of hyperchannel passive switch amount input, and/or be used to provide the digital quantity output module of hyperchannel passive switch amount output.
In each passage of described input/output control circuit module, be provided with pilot lamp and show, can indicate the running status of this passage.
Be provided with the toggle switch of the IP address that is used to be provided with described building controller based on Ethernet in the described ethernet interface module.
Be provided with real-time clock in the described embedded type CPU, be used for equipment operation and industrial process are carried out timing controlled.When controller does not power on, utilize battery back-up system clock, realize accurate timing.Be provided with watchdog circuit in the described embedded type CPU, be used for regularly described building controller based on Ethernet being monitored.
Building controller based on Ethernet also comprises the engine modules that is used to explain the next configuration software control strategy of execution that realizes with dynamic C language (Dynamic C language).
Building controller based on Ethernet is carried out following operation: the embedded type CPU port initialization, and netinit, system data initialization zero clearing is obtained configuration program to internal memory, obtains the input/output module type information; Handle the Modbus/TCP communication request, the interoperability between the processing controller; Handle configuration interprogram communication request; The scanning IO channel; Handle the operation configuration program.
Domestic most building all is equipped with broadband network, and Ethernet has the high and low power consumption of transmission speed, be easy to install and the advantage of compatible aspect such as good, because it supports nearly all popular procotol, so the every field of being widely used in.TCP/IP is real open system communication protocol, is the de facto standards that carries out the heterogeneous network interconnection at present in the world.Therefore, the building automation system of using based on the building controller of Ethernet has stronger interoperability and extensibility, is convenient to integrated with other system more.
Based on above-mentioned technical scheme, the utlity model has following advantage: it is strong to have an antijamming capability, but offline operation, advantage such as relativity of information is big.It and supervisory control comuter communicate with the ModBus/TCP agreement, adopt udp protocol to communicate with other building controllers.Owing to adopted message switching scheme, make between the building controller to have guaranteed the real-time of control to take and the quick exchange of acquired information than low discharge based on incident.Because therefore the network service between support controller can constitute large-scale system application.Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the basic structure synoptic diagram of the utility model based on the building controller of Ethernet;
Fig. 2 is the structural representation of the utility model based on the embodiment one of the building controller of Ethernet;
Fig. 3 is the structural representation of the utility model based on the embodiment two of the building controller of Ethernet.
Embodiment
Building controller based on Ethernet of the present utility model it and supervisory control comuter communicate with the ModBus/TCP agreement, adopt udp protocols to communicate with other building controllers.Can be by the IP address realization of controller and communicating by letter of host computer and other EBC be set.
As shown in Figure 1, be the basic structure synoptic diagram of the utility model based on the building controller of Ethernet, comprise embedded type CPU 1, ethernet interface module 2 and serial communication interface 3, wherein embedded type CPU 1 has the function that can expand Ethernet interface, be the core work module of system, can call other functional module; Ethernet interface module 2 links to each other with embedded type CPU 1, can realize communicating by letter with supervisory control comuter or other EBC; Serial communication interface 3 links to each other with embedded type CPU 1, mainly is the data communication that realizes remote and smart machine.
As shown in Figure 2, be the structural representation of the utility model based on the embodiment one of the building controller of Ethernet, again increased the program storage 4 and the data-carrier store 5 that with embedded type CPU 1 link to each other in the basic structure of introducing in the above based on the building controller of Ethernet, program storage 4 and data-carrier store 5 can adopt erasable formula storer, the erasable flash memory in the program storage 4 little sectors of preferred high capacity wherein is with permanent storage data.In addition, embedded type CPU 1 can also be controlled and exchanges data by 6 pairs of imput output circuits of connected input/output control circuit module, and the input/output control circuit module comprises analog input and/or numeral input and/or simulation output and/or numeral output.
In the present embodiment, serial communication interface is the RS485/RS232 communication interface, and wherein, serial communication interface is provided with the bridle wire apparatus of adjusting interface type, and the user can utilize bridle wire apparatus to select to use RS485 or RS232 communication interface.
As shown in Figure 3, be the structural representation of the utility model based on the embodiment two of the building controller of Ethernet, input/output control circuit module 6 specifically is made of analog quantity load module 61, analog output module 62, digital quantity input module 63 and digital quantity output module 64, maximum 32 digital-to-analog amount signalling channel can be provided, there is pilot lamp to show in each signalling channel, can indicates the duty of this signalling channel.Analog quantity load module 61 provides the simulating signal input of 8 passages, the analog input signal that can accept 4-20mA, 0-5V, 0-10V, thermal resistance Pt1000 and thermistor NTC20K type carries out 12 high speed analog-to-digital conversion (A/D), simultaneously, can accept the input of passive switch amount and active switch amount 0～10V input; Analog output module 62 is realized digital-to-analog conversion (D/A), and the output of 4 channel analog signals is provided, and can export the electric signal of 4-20mA and 0-10V type, and the output signal type is selected by hard wire jumper; Digital quantity input module 63 provides the input of 8 passage passive switch amounts; Digital quantity output module 64 provides the output of 8 passage passive switch amounts, and contact capacity is 125V AC @ 2A.Analog quantity load module 61, analog output module 62, digital quantity input module 63 and digital quantity output module 64 can be according to the system requirements combination in any, for example have only analog quantity load module 61 and analog output module 62, perhaps analog output module 62, digital quantity input module 63 and digital quantity output module 64 are formed input/output control circuit module 6.
In the present embodiment, communication mode adopts the ICP/IP protocol stack of standard.Ethernet interface module and supervisory control comuter communicate with the Modbus/TCP agreement, adopt udp protocol to communicate with other EBC.Be provided with toggle switch in the ethernet interface module, the IP address of controller be set easily, realize the exchanges data between other EBC of controller and host computer and same network segment by toggle switch.
Be provided with real-time clock in the embedded type CPU, operating scheme holiday, all operating schemes, day operation scheme can be set, resolving accuracy to minute, realize the Architectural Equipment of unattended duty mode and the time-program(me) control of industrial process.And when the building controller based on Ethernet does not power on, utilize battery back-up system clock, can realize accurate timing.In embedded type CPU, watchdog circuit can also be set, regularly the building controller based on Ethernet be monitored, thereby realize unmanned operation for intervening.
Can also be provided with the engine modules that is used to explain and carry out the next configuration software control strategy in the embedded type CPU that present embodiment provides based on the building controller of Ethernet, this engine modules comprises the algoritic module of following parallel computation: schedule process module is used for carrying out corresponding processing module according to the different event schedulings and the triggering of the described embedded type CPU of input; Communications Processor Module is connected with described schedule process module, is used for the communication process between described building controller and supervisory control comuter or another one or a plurality of building controller; The input and output processing module is connected with described schedule process module, is used for the input and output of input and output fastener are handled and to the monitoring of field apparatus; Simple and easy Basic language processing module is connected with described schedule process module, is used to carry out the Basic statement that serial communication is handled; The control strategy processing module is connected with described schedule process module, and the data file that the control strategy that is used for that Communications Processor Module is preserved generates makes an explanation and carries out; Register, be connected with described Communications Processor Module, input and output processing module, simple and easy Basic language processing module, control strategy processing module, be used for storing the data of described Communications Processor Module, input and output processing module, simple and easy Basic language processing module, control strategy processing module in the predefined address of described register.
Wherein, Communications Processor Module has been realized the communication process based on the Modbus/TCP agreement, has also realized between the EBC communication process based on UDP.In addition, this Communications Processor Module can also be for realizing the control function of configuration control strategy based on the building controller of Ethernet, handle the communication process between configuration software and the controller, the control strategy that is implemented in the configuration software establishment that moves on the PC downloads to EBC or uploads control strategy to the configuration software interface of moving at PC from EBC, and the functions such as time that EBC is set.At the configuration software of PC operation time of EBC can be set, comprise the date Hour Minute Second, thereby realize precise time programmed control field apparatus; This Communications Processor Module is by communicating by letter between Ethernet interface realization and supervisory control comuter or other EBC.
Realize between supervisory control comuter and the controller I/O exchanges data of field apparatus monitoring is realized by the Modbus function code, mainly comprise and write multi-thread circle FC (Function Code) 15, read coil FC1, read register PC3 writes unicoil PC5, write single register FC6, write multiregister FC16, obtain data to buffer zone, supervisory control comuter assigned I/O data storage addresses in controller by socket Socket, as 40896, realize the I/O data access.
The input and output processing module can be controlled four kinds of imput output circuits (I/O fastener) of building controller, comprise DI (numeral input), D0 (numeral output), AI (analog quantity input), A0 (analog quantity output), this input and output processing modules implement is handled the I/O of these four kinds of I/O fasteners, thereby realizes the monitoring of field apparatus.
Simple and easy Basic language processing module can realize the processing of serial communication, explains and carry out the Basic code, replenishes with the function as graphic configuration, can make configuration more flexible, and function is more powerful.
The control strategy processing module can make an explanation and carries out the configuration control strategy.Control strategy is realized by subroutine one by one, the corresponding functional module of each subroutine, and in other words, each subroutine is represented a specific algoritic module.For example, the corresponding addition function piece of addition subroutine at the configuration software interface, shows as FBD (function block diagram) one by one, a subroutine in the corresponding control strategy processing module of each functional block.In Communications Processor Module, the data file that the control strategy of configuration software establishment is generated downloads in the Flash storer, and control strategy is explained and scheduler module is explained execution again.
Coordinated by engine modules and call at above each modular, engine modules is made of an infinite loop, engine modules realizes the cooperation multitasking of each module, and each module is the concurrent execution of simulation.When a task waited for that an incident takes place, system can carry out another task, can realize the executed in parallel of multitask by this method.And the data sharing that needs between the module is to adopt realization by each submodule at the assigned address access data of register.
Based on above-mentioned technical scheme, the utility model provides following preferred implementation: embedded type CPU is controlled each functional module, form the ethernet communication module by CPU and ethernet interface module, erasable formula flash memory is as program storage, the RS484/RS232 interface module connects the serial port of smart machine, CPU is by the input/output bus interface module, realized and the communicating by letter of field apparatus by input/output module.Embedded type CPU preferably adopts the Rabbit2000 chip, program storage Flash preferably adopts SST9SF020, SST39SF020 is the little sector erasable high capacity Flash data-carrier store that SST company releases, have that erasable speed is fast, capacity is big, instruct simple advantage, is fit to very much the data of the permanent maintenance of storage needs; Data memory module preferably adopts HY628100, and the Ethernet interface chip is preferably RTL8019AS.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1, a kind of building controller based on Ethernet, it is characterized in that comprising: embedded type CPU, this embedded type CPU is connected with the serial communication interface that is used to be connected the ethernet interface module of outer monitoring computing machine or control device and is used for carrying out with smart machine remote data communication.
2, the building controller based on Ethernet according to claim 1 is characterized in that described embedded type CPU also is connected with data-carrier store with program storage.
3, the building controller based on Ethernet according to claim 1 is characterized in that described serial communication interface is the RS485/RS232 communication interface, and described serial communication interface is provided with the bridle wire apparatus of adjusting interface type.
4, the building controller based on Ethernet according to claim 1 and 2, it is characterized in that also comprising being used to provide the control of CPU to imput output circuit and the input/output control circuit module of the bus interface of exchanges data, link to each other with described embedded type CPU.
5, building controller based on Ethernet according to claim 4, it is characterized in that being provided with in the described input/output control circuit module: be connected with described embedded type CPU, be used to provide multichannel simulating signal input, and input signal carried out the multidigit high speed analog-to-digital conversion, and the analog quantity load module of accepting the input of passive and active switch amount, and/or be used to provide multi-channel analog signal to export, output signal is carried out the analog output module of digital-to-analog conversion, and/or be used to provide the digital quantity input module of hyperchannel passive switch amount input, and/or be used to provide the digital quantity output module of hyperchannel passive switch amount output.
6, the building controller based on Ethernet according to claim 1 is characterized in that being provided with in the described ethernet interface module toggle switch of the IP address that is used to be provided with described building controller based on Ethernet.
7, the building controller based on Ethernet according to claim 1 is characterized in that being provided with in the described embedded type CPU real-time clock that is used for equipment operation and industrial process are carried out time-program(me) control.
8, the building controller based on Ethernet according to claim 1 is characterized in that being provided with in the described embedded type CPU and is used for regularly to the described watchdog circuit of monitoring based on the building controller of Ethernet.
9, the building controller based on Ethernet according to claim 1 is characterized in that being provided with in the described embedded type CPU engine modules that is used to explain the next configuration software control strategy of execution that realizes with dynamic C language.
10, the building controller based on Ethernet according to claim 9 is characterized in that described engine modules comprises:
Be used for according to the different event scheduling of the described embedded type CPU of input and the schedule process module of the corresponding processing module of triggering execution;
The Communications Processor Module that is used for the communication process between described building controller and supervisory control comuter or another building controller is connected with described schedule process module;
Be used for the input and output of input and output fastener are handled and to the input and output processing module of the monitoring of field apparatus, are connected with described schedule process module;
Be used to carry out the simple and easy Basic language processing module of the Basic statement that serial communication is handled, be connected with described schedule process module;
The control strategy processing module that the data file that the control strategy that is used for that Communications Processor Module is preserved generates makes an explanation and carries out is connected with described schedule process module;
Be used for storing the register of the data of described Communications Processor Module, input and output processing module, simple and easy Basic language processing module, control strategy processing module, be connected with the control strategy processing module with described Communications Processor Module, input and output processing module, simple and easy Basic language processing module in the predefined address of described register.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620124131 CN2938187Y (en) | 2006-08-02 | 2006-08-02 | Building controller based on Enthernet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620124131 CN2938187Y (en) | 2006-08-02 | 2006-08-02 | Building controller based on Enthernet |
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| CN2938187Y true CN2938187Y (en) | 2007-08-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918002A (en) * | 2015-02-10 | 2015-09-16 | 厦门狄耐克电子科技有限公司 | Video transmission apparatus and method, and visual building intercom system |
| CN110531659A (en) * | 2019-08-16 | 2019-12-03 | 深圳职业技术学院 | A kind of DDC controller and data processing method based on FPGA |
-
2006
- 2006-08-02 CN CN 200620124131 patent/CN2938187Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918002A (en) * | 2015-02-10 | 2015-09-16 | 厦门狄耐克电子科技有限公司 | Video transmission apparatus and method, and visual building intercom system |
| CN104918002B (en) * | 2015-02-10 | 2016-03-30 | 厦门狄耐克电子科技有限公司 | Video frequency transmitter, method and storied building visible intercommunication system |
| CN110531659A (en) * | 2019-08-16 | 2019-12-03 | 深圳职业技术学院 | A kind of DDC controller and data processing method based on FPGA |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20110802 |