CN2755654Y - Distributed intelligent controller of industrial microwave oven - Google Patents
Distributed intelligent controller of industrial microwave oven Download PDFInfo
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- CN2755654Y CN2755654Y CN 200420068895 CN200420068895U CN2755654Y CN 2755654 Y CN2755654 Y CN 2755654Y CN 200420068895 CN200420068895 CN 200420068895 CN 200420068895 U CN200420068895 U CN 200420068895U CN 2755654 Y CN2755654 Y CN 2755654Y
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Abstract
The utility model relates to a distributed intelligent controller based on an industrial microwave oven, which comprises a comprehensive control unit, an RS485 communication interface and one or more field control units, wherein the comprehensive control unit and the field control units are connected through the RS485 communication interface which is composed of an RS485 communication integrated circuit and periphery components thereof. The comprehensive control unit has functions of display, man-machine interface, printing, external communication and alarm, and simultaneously controls a step motor on a production line to drive a conveying crawler belt. One or more field control units are distributed on one production line. The comprehensive control unit and the field control units realize communication, remote control monitor and control through the RS485 interface, so as to achieve the purpose of distributed control.
Description
Technical field
The utility model relates to a kind of automaton, and is particularly a kind of based on distributed industrial microwave oven intelligence controlling device.
Technical background
Industrial microwave oven is as modern processing technique, and, sterilization rapid, energy-conservation with its heating, insurance, safety, health and superiority such as easy to use more and more are subjected to users' welcome.
The control system of the present industrial microwave oven product of analysis-by-synthesis, find the following problem of ubiquity: (1) automaticity is low; All operations all are manually, and real time monitoring work instrument, and the people can not leave operator's console.(2) duty of equipment can not be detected in real time; Potential faults can not be found, in case break down influence is produced, and causes harmful effect also for the prestige of company.(3) manufacturing process complexity; Line is handed over many.In case break down, bring certain difficulty to maintenance.(4) extendability is poor; Because user's production technology difference has different requirements to product.If satisfy user's requirement, the part electrical equipment control will redesign.Bring certain difficulty to production like this.The invisible cost that strengthens product.
Summary of the invention
The purpose of this utility model aim to provide a kind of circuit structure simple, realize easily based on distributed industrial microwave oven intelligence controlling device.
Propose to adopt single chip computer control system to can solve the problem of above-mentioned existence.He with the automaticity height, real-time, simple to operate, man-machine dialog interface is friendly.Particularly adopt Flexible Control, well solved user's different requirements.
Native system adopts dcs, it comprises Comprehensive Control unit 1, RS485 communication interface 6 and one or more field control unit 2, it is characterized in that described Comprehensive Control unit 1 links to each other by described RS485 communication interface 6 with field control unit 2, this RS485 communication interface 6 is made of RS485 communication integrated circuit and peripheral component thereof; And:
Described Comprehensive Control unit 1 comprises: the comprehensive unit power supply 13 that power supply is provided for the each several part circuit;
A comprehensive unit microcontroller circuit 3 that constitutes by single-chip microcomputer and peripheral component thereof, described RS485 communication interface 6 links to each other with the data communication mouth of the single-chip microcomputer of comprehensive unit microcontroller circuit 3;
A data-carrier store 4 that links to each other with the single-chip microcomputer of described comprehensive unit microcontroller circuit 3;
An alarm control circuit 5 that links to each other with the alerting signal input end of the single-chip microcomputer of described comprehensive unit microcontroller circuit 3 and constitute by warning driving circuit and sound and light alarm components and parts;
A display 7 that links to each other with the single-chip microcomputer demonstration output terminal of described comprehensive unit microcontroller circuit 3;
A keyboard 8 that links to each other with the single-chip microcomputer keyboard signal input port of described comprehensive unit microcontroller circuit 3;
A modulator-demodular unit 9 that links to each other with the single-chip microcomputer of described comprehensive unit microcontroller circuit 3;
A stepper motor driving circuit 10 that links to each other with the drive signal output terminal of the single-chip microcomputer of described comprehensive unit microcontroller circuit 3 and a printer interface 11;
Described field control unit 2 comprises:
The field unit power circuit 29 that power supply is provided for the each several part circuit;
A field unit microcontroller circuit 20 that constitutes by single-chip microcomputer and peripheral component thereof, the data communication mouth of this field unit microcontroller circuit 20 links to each other with described RS485 communication interface 6;
A logic control circuit 21 that links to each other with the single-chip microcomputer logic control output terminal of described field control unit 2;
A relay circuit 22, this relay circuit 22 is made of a plurality of relays and driving circuit thereof, and the control end of each driving circuit links to each other with the corresponding output terminal of described logic control circuit 21;
A magnetron circuit 23 that comprises one or more magnetrons, the control end of each magnetron links to each other respectively with the controlled end of the corresponding relay of described relay circuit 22;
An anode current sensor circuit 24 that detects the magnetron working current of described magnetron circuit 23, the current detection signal output terminal of this anode current sensor circuit 24 links to each other with the current signal input end of the single-chip microcomputer of described field unit microcontroller circuit 20;
A non-contact temperature sensor 27 that detects temperature of charge in the body of heater, the temperature signal output terminal of this temperature sensor 27 links to each other with the temperature data input end of the single-chip microcomputer of described field unit microcontroller circuit 20;
The fire door testing circuit 28 whether the detection fire door closes, the fire door shutdown signal output terminal of this fire door testing circuit 28 links to each other with the fire door signal input part of the single-chip microcomputer of described field unit microcontroller circuit 20;
Hydrofuge fan 25 and radiator fan 26, the power source supply end of each fan respectively with described relay circuit 22 in the controlled end of corresponding relay link to each other.
The Comprehensive Control unit has demonstration, man-machine interface, printing, correspondence with foreign country and warning function, and the stepper motor of controlling simultaneously on the streamline drives the transmission crawler belt; One or more field control unit distributed arrangement are on a streamline, and the two realizes communication by the RS485 interface, and controlling/monitoring far away and control reach distributed control purpose.
Description of drawings
Fig. 1 is the utility model circuit theory synoptic diagram;
Fig. 2 is field control unit circuit part circuit theory diagrams;
Fig. 3 is logic control and the local schematic diagram of relay circuit;
Fig. 4 is the local schematic diagram of magnetron circuit.
Embodiment
Shown in Fig. 1-4, it comprises Comprehensive Control unit 1, RS485 communication interface 6 and one or more field control unit 2, it is characterized in that described Comprehensive Control unit 1 links to each other by described RS485 communication interface 6 with field control unit 2, this RS485 communication interface 6 is made of RS485 communication integrated circuit and peripheral component thereof; And:
Described Comprehensive Control unit 1 comprises: the comprehensive unit power supply 13 that power supply is provided for the each several part circuit;
A comprehensive unit microcontroller circuit 3 that constitutes by single-chip microcomputer and peripheral component thereof, described RS485 communication interface 6 links to each other with the data communication mouth of the single-chip microcomputer of comprehensive unit microcontroller circuit 3;
A data-carrier store 4 that links to each other with the single-chip microcomputer of described comprehensive unit microcontroller circuit 3;
An alarm control circuit 5 that links to each other with the alerting signal input end of the single-chip microcomputer of described comprehensive unit microcontroller circuit 3 and constitute by warning driving circuit and sound and light alarm components and parts;
A display 7 that links to each other with the single-chip microcomputer demonstration output terminal of described comprehensive unit microcontroller circuit 3;
A keyboard 8 that links to each other with the single-chip microcomputer keyboard signal input port of described comprehensive unit microcontroller circuit 3;
A modulator-demodular unit 9 that links to each other with the single-chip microcomputer of described comprehensive unit microcontroller circuit 3;
A stepper motor driving circuit 10 that links to each other with the drive signal output terminal of the single-chip microcomputer of described comprehensive unit microcontroller circuit 3 and a printer interface 11;
Described field control unit 2 comprises:
The field unit power circuit 29 that power supply is provided for the each several part circuit;
A field unit microcontroller circuit 20 that constitutes by single-chip microcomputer and peripheral component thereof, the data communication mouth of this field unit microcontroller circuit 20 links to each other with described RS485 communication interface 6;
A logic control circuit 21 that links to each other with the single-chip microcomputer logic control output terminal of described field control unit 2, this logic control circuit 21 is by constituting with door U1 and photoisolator N1, the logic control signal output terminal of the single-chip microcomputer of described field unit microcontroller circuit 20 links to each other with the input end with door U1, the control end of photoisolator N1 be connected on and the door U1 output terminal and power supply between;
A relay circuit 22, this relay circuit 22 is made of a plurality of relays and driving circuit thereof, and the control end of each driving circuit links to each other with the corresponding output terminal of described logic control circuit 21; Described relay circuit 22 is made of triode Q1 and relay J 1, and the base stage of described triode Q1 links to each other with the output terminal of the photoisolator N1 of described field control unit 2 by a resistor, and relay J 1 is connected between its collector and the positive 12 volts of power supplys;
A magnetron circuit 23 that comprises a plurality of magnetrons, the control end of each magnetron links to each other respectively with the controlled end of the corresponding relay of described relay circuit 22; Described magnetron circuit 23 comprises transformer T1 and magnetron CK1, the former edge joint ac power input end of transformer T1 wherein, and its first secondary winding two ends link to each other with the feeder ear of described magnetron CK1 respectively; One end of the second secondary winding of described transformer T1 links to each other with the feeder ear of described magnetron CK1 by capacitor C1, is connected with the series arm that is made of resistor R 1 and diode D1 between the other end of the second secondary winding of this feeder ear of described magnetron CK1 and described transformer T1;
An anode current sensor circuit 24 that detects the magnetron working current of described magnetron circuit 23, the current detection signal output terminal of this anode current sensor circuit 24 links to each other with the current signal input end of the single-chip microcomputer of described field unit microcontroller circuit 20; Described anode current sensor circuit 24 is connected between the other end and power supply ground of the second secondary winding of transformer T1 of described magnetron circuit 23;
A non-contact temperature sensor 27 that detects temperature of charge in the body of heater, the temperature signal output terminal of this temperature sensor 27 links to each other with the temperature data input end of the single-chip microcomputer of described field unit microcontroller circuit 20;
The fire door testing circuit 28 whether the detection fire door closes, the fire door shutdown signal output terminal of this fire door testing circuit 28 links to each other with the fire door signal input part of the single-chip microcomputer of described field unit microcontroller circuit 20;
Hydrofuge fan 25 and radiator fan 26, the power source supply end of each fan respectively with described relay circuit 22 in the controlled end of corresponding relay link to each other.
Total system is pressed the layered distribution type structure design, mainly contains 2 levels such as Comprehensive Control unit and field control unit, and each control module is separate, diversifies risks, and strengthens reliability.It has following function:
A, has good man-machine conversation function; Adopt thin mould button and 6.4 inches giant-screen lattice lcd display.Full Chinese character display interface makes the operator feel more warm.
B, has data storage function; Adopt serial FLASH memory, be used to preserve the data such as status information, failure message of technological parameter, equipment operation.
C, has the analog acquisition passage; Be used for detecting in real time the anode current of magnetron, the interior material temperature of each body of heater etc.
D, has the relay output channel; Be used for power supply control, power control, cooling system control to each body of heater etc.
E, has the switching value input channel; Whether be used to detect cooling system working properly.Switching values such as whether fire door shuts.
F, has the digital quantity output channel; Be used for the control step motor.Adopt stepper motor to carry out the speed governing of material travelling belt, the adjusting speed accuracy height, speed ratio is big, controls flexible.
G, has the RS485 communication function; Can conveniently form dcs with other control modules.
H, has the real-time working state-detection; Sound and light alarm breaks down.
Embodiment is as follows:
The Comprehensive Control unit is positioned at operator's console, is the control core system with the single chip microcomputer.Comprise unit such as keyboard, LCD demonstration, data storage, onsite alarming, speed governing, communication interface.Its major function is: the operator is by parameters such as man-machine conversation input system parameter, technological parameter, warning thresholdings; By the communication interface of system,, and receive the information of slave computer in real time in real time to slave computer (the on-the-spot observing and controlling layer unit) sending controling instruction of remote unit; The real-time duty of checkout equipment, and testing result is presented on the liquid crystal display.Take place when unusual when detecting equipment operation, emergency treatment is carried out in the caution of can reporting to the police automatically, and with automatic storage failure information; The historical record inquiry.
System control function: man-machine conversation function; The operator is by parameters such as man-machine conversation input system parameter, technological parameter, warning thresholdings.Automatic diagnostic function; At first enter automatic diagnostic function after the device power-up, system can judge automatically whether each magnetron work of each joint body of heater is normal, and whether cooling fan all starts, and whether fire door shuts, and whether temp measuring system is normal etc.If the automatic diagnosis result takes place unusually, will start the fault emergency system automatically, and give the alarm, show the trouble spot simultaneously.Automatic control function; When the various parameter settings of control system and after keeping, as long as " key " pressed and can be moved automatically, need not manual intervention.The system debug function; When system software enters debugging mode, can debug respectively each body of heater.The historical record inquiry.
Field control unit is meant the topworks of total system, directly in the face of controlled device and with its interface.The observing and controlling layer is made up of several intelligent remote unit.A unique address is given in each unit, visits all unit so that the integrated management layer carries out timesharing.Maximum addressable 32 the intelligent remote unit of native system.Each joint body of heater is controlled by a field control unit, and the benefit of bringing like this is: favorable expandability, can be according to user's different requirements, and control circuit need not redesign and just increases and decreases an intelligent remote unit when increasing and decreasing the body of heater joint number arbitrarily.Installation and Debugging are convenient, are independently to the control of each joint body of heater, can debug separately and do not influence other.Control line and signal wire can significantly reduce, because each field control unit adopts the on-the-spot industrial bus of RS485 to link to each other with host computer, half-duplex operation only needs two heart yearns to realize.Interchangeability is good, and the hardware of field control unit, software all are identical, only needs can exchange arbitrarily by the scrambler on the setup unit.System maintenance easy when user's micro-wave oven control system breaks down, can utilize modulator-demodular unit to carry out remote fault diagnosis by telephone wire, thereby reduces after service cost, increases economic efficiency.
Field control unit is to be core with the single chip microcomputer and to be furnished with eight tunnel 12 A/D converters, and No. four power relays drive, the eight tunnel have light every the switching value input, five bit address jumper wire devices, the four tunnel isolate hardware such as current sensors forms.
Claims (2)
1, based on distributed industrial microwave oven intelligence controlling device, it comprises Comprehensive Control unit (1), RS485 communication interface (6) and one or more field control unit (2), it is characterized in that described Comprehensive Control unit (1) links to each other by described RS485 communication interface (6) with field control unit (2), this RS485 communication interface (6) is made of RS485 communication integrated circuit and peripheral component thereof; And:
Described Comprehensive Control unit (1) comprises a comprehensive unit power supply (13) that power supply is provided for the each several part circuit;
A comprehensive unit microcontroller circuit (3) that constitutes by single-chip microcomputer and peripheral component thereof, described RS485 communication interface (6) links to each other with the data communication mouth of the single-chip microcomputer of comprehensive unit microcontroller circuit (3);
A data-carrier store (4) that links to each other with the single-chip microcomputer of described comprehensive unit microcontroller circuit (3);
The alarm control circuit (5) that alerting signal input end with the single-chip microcomputer of described comprehensive unit microcontroller circuit (3) links to each other and is made of warning driving circuit and sound and light alarm components and parts;
A display (7) that links to each other with the single-chip microcomputer demonstration output terminal of described comprehensive unit microcontroller circuit (3);
A keyboard (8) that links to each other with the single-chip microcomputer keyboard signal input port of described comprehensive unit microcontroller circuit (3);
A modulator-demodular unit (9) that links to each other with the single-chip microcomputer of described comprehensive unit microcontroller circuit (3);
A stepper motor driving circuit (10) and a printer interface (11) that links to each other with the drive signal output terminal of the single-chip microcomputer of described comprehensive unit microcontroller circuit (3);
Described field control unit (2) comprising:
The field unit power circuit (29) that power supply is provided for the each several part circuit;
A field unit microcontroller circuit (20) that constitutes by single-chip microcomputer and peripheral component thereof, the data communication mouth of this field unit microcontroller circuit (20) links to each other with described RS485 communication interface (6);
A logic control circuit (21) that links to each other with the single-chip microcomputer logic control output terminal of described field control unit (2);
A relay circuit (22), this relay circuit (22) is made of a plurality of relays and driving circuit thereof, and the control end of each driving circuit links to each other with the corresponding output terminal of described logic control circuit (21);
A magnetron circuit (23) that comprises a plurality of magnetrons, the control end of each magnetron links to each other respectively with the controlled end of the corresponding relay of described relay circuit (22);
An anode current sensor circuit (24) that detects the magnetron working current of described magnetron circuit (23), the current detection signal output terminal of this anode current sensor circuit (24) links to each other with the current signal input end of the single-chip microcomputer of described field unit microcontroller circuit (20);
A non-contact temperature sensor (27) that detects temperature of charge in the body of heater, the temperature signal output terminal of this temperature sensor (27) links to each other with the temperature data input end of the single-chip microcomputer of described field unit microcontroller circuit (20);
The fire door testing circuit (28) whether the detection fire door closes, the fire door shutdown signal output terminal of this fire door testing circuit (28) links to each other with the fire door signal input part of the single-chip microcomputer of described field unit microcontroller circuit (20);
A hydrofuge fan (25) and radiator fan (26), the power source supply end of each fan respectively with described relay circuit (22) in the controlled end of corresponding relay link to each other.
2, as claimed in claim 1 a kind of based on distributed industrial microwave oven intelligence controlling device, it is characterized in that:
Described logic control circuit (21) is by constituting with door U1 and photoisolator N1, the logic control signal output terminal of the single-chip microcomputer of described field unit microcontroller circuit (20) links to each other with the input end with door U1, the control end of photoisolator N1 be connected on and the door U1 output terminal and power supply between;
Described relay circuit (22) is made of triode Q1 and relay J 1, the base stage of described triode Q1 links to each other with the output terminal of the photoisolator N1 of described field control unit (2) by a resistor, and relay J 1 is connected between its collector and the positive 12 volts of power supplys;
Described magnetron circuit (23) comprises transformer T1 and magnetron CK1, the former edge joint ac power input end of transformer T1 wherein, and its first secondary winding two ends link to each other with the feeder ear of described magnetron CK1 respectively; One end of the second secondary winding of described transformer T1 links to each other with the feeder ear of described magnetron CK1 by capacitor C1, is connected with the series arm that is made of resistor R 1 and diode D1 between the other end of the second secondary winding of this feeder ear of described magnetron CK1 and described transformer T1;
Described anode current sensor circuit (24) is connected between the other end and power supply ground of the second secondary winding of transformer T1 of described magnetron circuit (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420068895 CN2755654Y (en) | 2004-10-13 | 2004-10-13 | Distributed intelligent controller of industrial microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420068895 CN2755654Y (en) | 2004-10-13 | 2004-10-13 | Distributed intelligent controller of industrial microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755654Y true CN2755654Y (en) | 2006-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420068895 Expired - Fee Related CN2755654Y (en) | 2004-10-13 | 2004-10-13 | Distributed intelligent controller of industrial microwave oven |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533691A (en) * | 2013-09-27 | 2014-01-22 | 重庆大学 | Industrial microwave source layered mixed intelligent control system and control method |
| CN105021030A (en) * | 2014-04-21 | 2015-11-04 | 东北大学 | Integrated automation control system for aluminum oxide clinker kiln |
| CN105159219A (en) * | 2015-09-09 | 2015-12-16 | 佛山市鸿源利电子科技有限公司 | Centralized control system for industrial microwave power source |
| CN108870473A (en) * | 2018-07-17 | 2018-11-23 | 李成锦 | A kind of cabinet type microwave furnace |
-
2004
- 2004-10-13 CN CN 200420068895 patent/CN2755654Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533691A (en) * | 2013-09-27 | 2014-01-22 | 重庆大学 | Industrial microwave source layered mixed intelligent control system and control method |
| CN103533691B (en) * | 2013-09-27 | 2015-10-28 | 重庆大学 | Industrial microwave source layering hybrid intelligent control system and control method |
| CN105021030A (en) * | 2014-04-21 | 2015-11-04 | 东北大学 | Integrated automation control system for aluminum oxide clinker kiln |
| CN105159219A (en) * | 2015-09-09 | 2015-12-16 | 佛山市鸿源利电子科技有限公司 | Centralized control system for industrial microwave power source |
| CN108870473A (en) * | 2018-07-17 | 2018-11-23 | 李成锦 | A kind of cabinet type microwave furnace |
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| Date | Code | Title | Description |
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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: 20060201 Termination date: 20131013 |