CN2511466Y - Asphalt concrete mixing apparatus controlling system based on general line in site - Google Patents
Asphalt concrete mixing apparatus controlling system based on general line in site Download PDFInfo
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- CN2511466Y CN2511466Y CN 02212164 CN02212164U CN2511466Y CN 2511466 Y CN2511466 Y CN 2511466Y CN 02212164 CN02212164 CN 02212164 CN 02212164 U CN02212164 U CN 02212164U CN 2511466 Y CN2511466 Y CN 2511466Y
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- control
- intelligent terminal
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- control computer
- industrial control
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Abstract
An asphalt concrete mixing apparatus controlling system based on general line in site comprises an industrial control computer; a cold mineral material proportioning device, a combustion drying device, a dust collecting device and a hot oil heater as well as a plurality of controllers in a finished product silo device which are arranged in the apparatus; an intelligent terminal arranged in a weighing-mixing device of the apparatus, wherein the controllers are connected with the industrial control computer; the intelligent terminal is connected with the industrial control computer through an RS-485 general line in site to execute data communication. The system is simple in structure, supports multi-point connection and long-distance transmission, has stronger control capability in site, and improves control performance.
Description
Technical field
The utility model relates to the computer control system of a kind of computer control system, particularly a kind of asphalt mixing plant.
Two, background technology
Along with the development of highway construction, the shared proportion of high-grade highway is increasing.At present, the more employing bituminous concrete of high-grade highway is as ground surface material, its quality requirement height, construction time weak point are to construction equipment, as material metering, the temperature precise control of asphalt mixing plant, the mix uniformity etc., higher requirement has been proposed, therefore, the core of the electric-control system of equipment, particularly electric-control system---mix measure control, need have superior performance, could satisfy its requirement.
The asphalt mixing plant of domestic production, mix measure control are generally cooperated with Programmable Logic Controller PLC by weighing controller to be finished, this traditional control mode, and it is measured, the accuracy of control, and automation, intelligent level are lower.Overseas equipment and part domestic equipment, the control mode that then adopts computer and data collecting system to cooperate mostly, the accuracy and the automatization level of its control improve a lot, but the system architecture complexity, the cost costliness.
Fieldbus is the data communication network of field apparatus in the connection control system, compare with traditional transmission means, have that the control function is strong, transfer of data is reliable, response is fast, antijamming capability is strong, system architecture is simple, advantages such as installation, debugging, maintenance cost are lower are applied in the industrial equipment automation gradually, as are applied to PROFIBUS, FF, the field bus systems such as CAN, LONWORKS of various industrial process controls.But in highway construction equipment, Shang Weijian has the application of field bus system.
Three, summary of the invention
The purpose of this utility model is to design a kind of be used for asphalt mixing plant, Fieldbus Based control system.
The Fieldbus Based asphalt mixing plant control system of the utility model design comprises industrial control computer, is used for storage, output and the production process control and the management of continuous data; Be arranged at the cold mineral aggregate proportioner of this equipment, a plurality of controllers in burn drying device, dust collect plant, hot oil heater and the finished product bin device, controller is connected with industrial control computer, is used for data acquisition and process control; Be arranged at the intelligent terminal in the weighing agitating device of this equipment, be used for the pitch mix is carried out data acquisition and field control; Intelligent terminal is connected with industrial control computer by fieldbus, carries out data communication.
Above-mentioned fieldbus adopts the bidirectional linked list transmission RS-485 STD bus of supporting that multiple spot connects.
Adopt the asphalt mixing plant of field bus system, its lead, connector reduce significantly, and system architecture is simpler.Adopt intelligent terminal, have stronger field control ability, the control performance of system is greatly improved.The cost of whole system is low, the ratio of performance to price is high, and economic benefit is considerable.
Four, description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is based on the block diagram of the asphalt mixing plant control system of fieldbus.
Fig. 2 is the connection layout of this asphalt mixing plant control system.
Fig. 3 is the program principle figure of this asphalt mixing plant control system.
Five, the specific embodiment
What the utility model designed is, be applied to the control system of intermittent asphalt concrete mixing plant, as shown in Figure 1, this system comprises several control sections that work alone: computer control system 1, cold mineral aggregate proportioner control 2, the burner control 3 of drying, control 4 is stirred in weighing, dust collect plant control 5, hot oil heater control 6, finished product bin control 7.
The connection of system as shown in Figure 2, computer control system 1, the compositions such as two RS-422/RS-485 port modules of its hardware using Advantech industrial computer PCA-6179 and I/O integrated circuit board PCL-731 thereof, analog quantity input integrated circuit board PCL-818LS, isolation can be applicable to abominable industry spot.The burner control 3 of cold mineral aggregate proportioner control 2, drying, dust collect plant control 5, hot oil heater control 6, finished product bin control 7, be connected with computer control system 1 by light isolation tablet PCLD-728B, relay output board PCLD-785B or Programmable Logic Controller PLC respectively, realize the transmission of transducing signal and control signal.Data acquisition intelligent network terminal ADAM-5511 is adopted in weighing agitating device control 4, is connected with computer control system 1 by the RS-485 STD bus, realizes data communication.Two RS-422/RS-485 port modules of isolating are realized the conversion of RS-232 to RS-485.Above-mentioned intelligent network terminal ADAM-5511 is based on the data acquisition controller of PC; its hardware is formed and is comprised ADAM-5511 matrix, input/output module and high speed analog quantity input module; have ROM-DOS operating system and Inter X86CPU; the SRAM memory of internal battery protection; utilize the C/C++ programming, have complex logic computing and data storage function.The soft logic control software that is based on PC that its control technology adopts gets final product operating software to realize comparatively complicated supple-settlement function, makes the greatly refining of data that enters computer, improves processing speed.ADAM-5511 has adopted the RS-485 bus, application standard MODBUS communication protocol, and it can have the part as dcs again as separate unit work.
The RS-485 STD bus adopts the bidirectional linked list data transfer mode, supports multiple spot to connect, and belongs to half-duplex mode, and its advantage is to articulate a plurality of terminals, and can realize long-distance transmissions.
As follows to the functional description of system's each several part below: computer control system 1 is by operational system software, the detection of finishing various I/O and control and with the communicating by letter of intelligent terminal, manage, controlling field apparatus; The demonstration of the storage of the demonstration of realization continuous data, the preservation of data, form and printing, production process reaches to be controlled and manages the production process of whole system.Cold mineral aggregate proportioner control 2 by the control frequency converter, realizes the ac variable frequency speed regulation of feed motor, thereby regulates the feed amount effectively.The burner control 3 of drying has realized that by ignition controller the ignition procedure of burner is controlled, and by the temperature of thermocouple measurement drying drum discharging opening, cooperates temperature controller to realize the manual control of burner temperature.Control device 4 is stirred in weighing, adopts data acquisition intelligent network terminal ADAM-5511, and metrological service cooperates with the pitch mix, realizes the automatic control to the mix process.Siemens programmable controller PLC is adopted in dust collect plant control 5, realizes the control to back flushing type bag-type dust mechanism.Hot oil heater control 6 is finished the demonstration of temperature and is controlled ignition process by temperature controller, has realized the automatic control and the temperature auto control of heat-conducting oil heating.Siemens programmable controller PLC is adopted in finished product bin control 7, cooperates frequency control motor and near switch, realize truck automatic operation, Position Control and finished product material add thermmal storage.
For finishing above-mentioned functions, this control system has also designed corresponding software, its operating system is selected WINDOWSNT for use, the programming of employing standard C language, the composition of systems soft ware as shown in Figure 3, primary control program I comprises: (1) full machine RACS II---realize manual startup, control function to all motors, and show current of electric and asphalt temperature throttle valve opening, accelerator open degree etc., animation ground shows the working condition of each motor.(2) mix RACS III---by standard RS-485 bus, ADAM-5511 carries out data communication with measurement controller data acquisition intelligent network terminal, realize that the demonstration of continuous data in the production process and the animation of production process show, wherein, the startup of mix production/stop to control and the setting of manufacturing parameter is finished by industrial computer, and its metering process and control are finished automatically by intelligent network terminal ADAM-5511.(3) batching is set subsystem IV---and industrial computer sends prescription setting value, mixing time, production dish number to ADAM-5511 by standard RS-485 bus, and the production of control ADAM-5511 is carried out.(4) record of production subsystem V---automatically creation data is preserved in process of production, and by the functions such as demonstration, inquiry and printing of record of production realization to creation data.(5) automatic fault diagnosis subsystem VI---in time handle accordingly according to the problem that system occurs in running, and show failure condition, make operating personnel can be in the shortest time handling failure.(6) online help subsystem VII---for providing, the use of system and staff training operate help.
Claims (3)
1, Fieldbus Based asphalt mixing plant control system is characterized in that: comprise industrial control computer, be used for storage, output and the production process control and the management of continuous data; Be arranged at the cold mineral aggregate proportioner of this equipment, a plurality of controllers in burn drying device, dust collect plant, hot oil heater and the finished product bin device, controller is connected with industrial control computer, is used for data acquisition and process control; Be arranged at the intelligent terminal in the weighing agitating device of this equipment, be used for the pitch mix is carried out data acquisition and independent control; Intelligent terminal is connected with industrial control computer by fieldbus, carries out data communication.
2, control system according to claim 1 is characterized in that: intelligent terminal comprises interconnective central processing unit, memory and input/output module at least.
3, control system according to claim 1 is characterized in that: above-mentioned fieldbus adopts the bidirectional linked list transmission RS-485 STD bus of supporting that multiple spot connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212164 CN2511466Y (en) | 2002-01-12 | 2002-01-12 | Asphalt concrete mixing apparatus controlling system based on general line in site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212164 CN2511466Y (en) | 2002-01-12 | 2002-01-12 | Asphalt concrete mixing apparatus controlling system based on general line in site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2511466Y true CN2511466Y (en) | 2002-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02212164 Expired - Lifetime CN2511466Y (en) | 2002-01-12 | 2002-01-12 | Asphalt concrete mixing apparatus controlling system based on general line in site |
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| CN (1) | CN2511466Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411840C (en) * | 2007-03-15 | 2008-08-20 | 南京理工大学 | Asphalt concrete mixing equipment termination product car-loading control system |
| CN105336153A (en) * | 2015-11-03 | 2016-02-17 | 常州信息职业技术学院 | Industrial field control device based on optical communication |
| CN108748690A (en) * | 2018-06-22 | 2018-11-06 | 成都精准混凝土有限公司 | A kind of Control System for Concrete Mixing Station and method |
| CN111469281A (en) * | 2020-03-25 | 2020-07-31 | 珠海仕高玛机械设备有限公司 | Intelligent stirrer and control method thereof |
-
2002
- 2002-01-12 CN CN 02212164 patent/CN2511466Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411840C (en) * | 2007-03-15 | 2008-08-20 | 南京理工大学 | Asphalt concrete mixing equipment termination product car-loading control system |
| CN105336153A (en) * | 2015-11-03 | 2016-02-17 | 常州信息职业技术学院 | Industrial field control device based on optical communication |
| CN108748690A (en) * | 2018-06-22 | 2018-11-06 | 成都精准混凝土有限公司 | A kind of Control System for Concrete Mixing Station and method |
| CN111469281A (en) * | 2020-03-25 | 2020-07-31 | 珠海仕高玛机械设备有限公司 | Intelligent stirrer and control method thereof |
| CN111469281B (en) * | 2020-03-25 | 2021-05-25 | 珠海仕高玛机械设备有限公司 | Intelligent stirrer and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120112 Granted publication date: 20020918 |