CN101145053A - Motor controller based on distributed network - Google Patents
Motor controller based on distributed network Download PDFInfo
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- CN101145053A CN101145053A CNA2007101219463A CN200710121946A CN101145053A CN 101145053 A CN101145053 A CN 101145053A CN A2007101219463 A CNA2007101219463 A CN A2007101219463A CN 200710121946 A CN200710121946 A CN 200710121946A CN 101145053 A CN101145053 A CN 101145053A
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Abstract
The present invention provides a motor controller based on the distributed network, and comprises a single-chip microcomputer and a network processing chip; the single-chip microcomputer can be used as a main controller; the network processing chip transplants the TCP / IP protocol stack, and achieves the remote access function through Ethernet; the core of the controller has 5-way analog input, and 4-way switch output; the interface connecting with the motor adopts high-power solid-state relay to drive the motor to work; according to different requirements of agricultural facilities, a built-in control algorithm logic is arranged in the main controller to realize the independent control, and via Ethernet, in the way of network, the present invention can be connected with the environmental control system of the entire facilities to transmit as well as deliver data.
Description
Technical field
The present invention relates to the technical field that control technology is used in the agricultural facility environment, be specifically related to a kind of electric machine controller based on distributed network.
Background technology
In industrialized agriculture is produced, environment is to vegeto-animal growth important influence, and can carry out manual shift and intervention by certain means in the facility, traditional environment conditioning mode is based on manually, because there is the experience sum of errors problem of post continuously in artificial monitoring, is unfavorable for providing good environment to animals and plants, therefore, in recent years, automated control technology is quoted more and more in the agricultural facility environment conditioning.
At present, the facilities environment existing relevant product promotion of control is automatically used, and for the environment conditioning robotization provides good basis, has the amount of lightening one's labor, and rationally regulates the advantage of environmental quality.But also exist some key issues to influence the effect of environment control.Mainly contain two aspects, the one, controlling elements are single, mainly based on temperature, consider that other factors are fewer; It two is that sampled point is fewer, how with the centre position as the experience sampled point, fail fully to reflect the environmental aspect in the facility.
Summary of the invention
The present invention be directed to the demand of the distributed control of agricultural facility, the built-in network technology is dissolved into the Control Node of equipment, basic topworks motor with the facilities environment regulation and control is a carrier, realize the network node functions of each equipment, each node has the analog quantity interface simultaneously, can realize that Autonomous Control combines with network control, provide a kind of new equipment for improving agricultural facility environment conditioning ability.
For achieving the above object, the present invention is by the following technical solutions:
A kind of electric machine controller based on distributed network, comprise single-chip microcomputer and network processes chip, described electric machine controller connects described networking process chip with described single-chip microcomputer as master controller, described electric machine controller connects motor and forms node, the described motor rotation of described Single-chip Controlling also passes through sensor acquisition temperature signal, the described network processes chip of described Single-chip Controlling remote access environment regulator control system.
Transplanting in the described network processes chip has ICP/IP protocol stack and http protocol, and the ICP/IP protocol stack provides the procotol basis, and http protocol provides concrete Long-distance Control.
The interface of described master controller and described motor adopts the running of high power solid-state relay drive motor, controller drives contactor coil by solid-state relay, the running of contactor drive motor according to the difference of concrete choice of electrical machine, can select whether to add contactor.
The built-in control algolithm logic of described master controller, the independent control of described node.
Described main control core has the input of 5 tunnel analog quantitys, the output of 4 way switch amounts.
Described network processes chip has Ethernet interface, and the mode of the described network processes chip of described Single-chip Controlling remote access regulator control system is the mode of Ethernet.
Electric machine controller of the present invention with each topworks as Control Node, each node has certain independent decision-making ability, can unify control by network again, based on this pattern, can provide hardware foundation for the rule of layouting of environmental monitoring in the research facilities, help controlling schemes, improve the effect of environment conditioning by optimizing.
Description of drawings
Fig. 1 is the interface synoptic diagram of single-chip microcomputer of the present invention and network processes chip 8019AS;
Fig. 2 connects the periphery circuit design synoptic diagram of motor for electric machine controller of the present invention.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
This embodiment is by the SCM Based electric machine controller of independent research, and this electric machine controller comprises single-chip microcomputer and network processes chip, in conjunction with the topworks-motor of existing agricultural facility environment conditioning, forms Control Node.Electric machine controller connects the networking process chip with single-chip microcomputer as master controller, and the Single-chip Controlling motor rotation also passes through sensor acquisition temperature signal, Single-chip Controlling network processes chip remote access environment regulator control system.
Existing monolithic computer network system mainly contains Rabbit3000 series monolithic, the scheme of built-in operating system of adopting; And adopt RTOS Motorola MCF5272 processor, with the scheme of uClinux operating system.Suchlike scheme has all adopted Embedded operating system, requirement to hardware is very high, require several million even tens storer, though they can finish the function as many complexity such as gateways, but for many places (as information household appliances, device controller etc.) that only need to carry out data acquisition, control, its cost is unacceptable often, therefore we have selected the mode that adds network control chip RTL8019AS based on the PIC single-chip microcomputer of reduced instruction set computer for use, realize the function of embedded web server, its cost price only is about hundred yuan.
Be illustrated in figure 1 as the single-chip microcomputer of present embodiment and the interface synoptic diagram of network processes chip 8019AS, single-chip microcomputer has been selected the PIC16F877 single-chip microcomputer based on reduced instruction set computer for use in the present embodiment, the network processes chip is selected RTL8019AS for use, the PIC16F877 single-chip microcomputer passes through I/O interface RE0 as master controller, RE1, RCS, RC0～RC4, RD0～RD7 connects described networking process chip RTL8019AS, pass through RE0, RE1 carries out the read-write control of exchanges data, RC0～RC4 is an address wire, RD0～RD7 is a data bus, declare busy identification by RC5, network processes chip RTL8019AS connects Ethernet interface RJ45 by external network transformer 20F001N, realizes the function of this electric machine controller remote access link regulator control system.The PIC16F877 single-chip microcomputer drives contactor coil by solid-state relay, and the running of contactor drive motor according to the difference of concrete choice of electrical machine, can select whether to add contactor.
This electric machine controller utilizes RA port 5 tunnel analog quantitys input of PIC16F877, and the 4 way switch amounts output of RB port is as the external channel of controller data collection and control.Switching value still has 4 road ports available, or adopts alternate manner more to expand.
Connect the periphery circuit design synoptic diagram of motor for electric machine controller of the present invention as Fig. 2.The switching value signal of the control motor rotation that single-chip microcomputer PIC16F877 sends is very faint, be not enough to drive motor work, connect switching value line attachment A, B and C in the diagram by Switching Power Supply DS1032, by solid-state relay signal is amplified the contactor coil that drives on the motor, the running of contactor drive motor.Motor rotation is gathered the link temperature by temperature sensor, the temperature signal of gathering is passed to data acquisition interface RA0 and the RA1 of single-chip microcomputer PIC16F877.
Adopting the electric machine controller of embedded Web Server is that signal Processing, control circuit and tcp/ip communication agreement, http protocol are integrated in the electric machine controller chip program.ICP/IP protocol and http data processing module have been embedded in the electric machine controller through cutting.Wherein, ICP/IP protocol stack and http protocol are the cores of realizing the controller Long-distance Control.The former provides the procotol basis, and the latter provides concrete Long-distance Control.The two all needs to customize according to the characteristics of controller, in the hope of reaching higher efficient.
In this network implementation, single-chip microcomputer mainly is responsible for the ICP/IP protocol that realization is cut out, the function of the master routine of the control of the signal of processes sensor, and realization in addition.The 8019AS here mainly is responsible for handling Ethernet protocol (IEEE802.3).
Whether this distributed node can start according to controlling motor device from the information of belt sensor, has certain logic determines algorithm; Simultaneously, by the RJ45 interface, can with central control unit (or computing machine) communication, can be long-range direct opertaing device is opened, and also can revise the logic parameter of Autonomous Control.
Utilize this distributed network controller can distributed measuring and controlling node, can the configuration installation, increase the dirigibility of system configuration; The communication mode of Ethernet helps remote access; Distributed sensor placement helps improving the effect of environment conditioning.
With reference to accompanying drawing embodiments of the invention are disclosed below.The present invention is not restricted to previous described embodiment, not breaking away from possible multiple change and the modification of the scope of the invention to previous embodiment, still belongs to invention which is intended to be protected.
Claims (6)
1. electric machine controller based on distributed network, comprise single-chip microcomputer and network processes chip, it is characterized in that described electric machine controller connects described networking process chip with described single-chip microcomputer as master controller, described electric machine controller connects motor and forms node, the described motor rotation of described Single-chip Controlling also passes through sensor acquisition temperature signal, the described network processes chip of described Single-chip Controlling remote access environment regulator control system.
2. the electric machine controller based on distributed network as claimed in claim 1 is characterized in that transplanting has ICP/IP protocol stack and http protocol in the described network processes chip.
3. the electric machine controller based on distributed network as claimed in claim 1 is characterized in that the interface of described master controller and described motor adopts the running of high power solid-state relay drive motor.
4. the electric machine controller based on distributed network as claimed in claim 1 is characterized in that the built-in control algolithm logic of described master controller, the independent control of described node.
5. the electric machine controller based on distributed network as claimed in claim 1 is characterized in that described main control core has the input of 5 tunnel analog quantitys, the output of 4 way switch amounts.
6. the electric machine controller based on distributed network as claimed in claim 1 is characterized in that described network processes chip has Ethernet interface, and the mode of the described network processes chip of described Single-chip Controlling remote access regulator control system is the mode of Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101219463A CN101145053A (en) | 2007-09-18 | 2007-09-18 | Motor controller based on distributed network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101219463A CN101145053A (en) | 2007-09-18 | 2007-09-18 | Motor controller based on distributed network |
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| CN101145053A true CN101145053A (en) | 2008-03-19 |
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| CNA2007101219463A Pending CN101145053A (en) | 2007-09-18 | 2007-09-18 | Motor controller based on distributed network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010118646A1 (en) * | 2009-04-13 | 2010-10-21 | 中山大洋电机制造有限公司 | Motor, control method thereof and clustered control system for multiple motors |
| CN101887279A (en) * | 2010-07-14 | 2010-11-17 | 中国农业大学 | Control device of insulating quilt of sunlight greenhouse |
| CN106907324A (en) * | 2017-04-24 | 2017-06-30 | 深圳沃海森科技有限公司 | Water-cooled screw machine pressure group compressor based on internet terminal |
-
2007
- 2007-09-18 CN CNA2007101219463A patent/CN101145053A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010118646A1 (en) * | 2009-04-13 | 2010-10-21 | 中山大洋电机制造有限公司 | Motor, control method thereof and clustered control system for multiple motors |
| CN101887279A (en) * | 2010-07-14 | 2010-11-17 | 中国农业大学 | Control device of insulating quilt of sunlight greenhouse |
| CN101887279B (en) * | 2010-07-14 | 2012-07-25 | 中国农业大学 | Control device of insulating quilt of sunlight greenhouse |
| CN106907324A (en) * | 2017-04-24 | 2017-06-30 | 深圳沃海森科技有限公司 | Water-cooled screw machine pressure group compressor based on internet terminal |
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