CN105162247A - Power line carrier based distributed control system for magnetron power sources - Google Patents
Power line carrier based distributed control system for magnetron power sources Download PDFInfo
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- CN105162247A CN105162247A CN201510473856.5A CN201510473856A CN105162247A CN 105162247 A CN105162247 A CN 105162247A CN 201510473856 A CN201510473856 A CN 201510473856A CN 105162247 A CN105162247 A CN 105162247A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The invention discloses a power line carrier based distributed control system for magnetron power sources. The system includes an upper computer and a magnetron management module, wherein the upper computer is used for monitoring working states of the magnetron power sources and performing remote control; and the magnetron management module is in communication with the upper computer and is used for supervisory control and for collecting temperature, humidity, anode current, cathode current, filament voltage, filament current and electromagnet current of the magnetrons. According to the invention, low-voltage broadband power line carrier technology is utilized and the working frequency range is 1-40 MHz, so that low-frequency interference is avoided effectively and reliable data transmission with a transmission range of 200 to 300 m can be realized. The system can meet power control demands of magnetrons in a single microwave device. No separate wiring is needed and the system has advantages of being easy in execution and adjustment, comparatively small in operation maintenance load, good in data security and large in bandwidth.
Description
Technical field
The invention belongs to industrial power control technology field, particularly relate to a kind of multi-magnetron power supply distribution control system based on power carrier.
Background technology
Utilize microwave can realize the functions such as microwave drying, microwave disinfection, microwave abstracting and microwave heating.Industrial microwave apparatus has energy-saving and environmental protection and efficient advantage, has been widely used in the industries such as heat drying, sterilization, microwave abstracting at present.Compared with traditional household microwave oven, industrial microwave apparatus has multiple microwave generation unit usually, therefore faces the problem of multiple microwave magnetron power management.In traditional industrial microwave apparatus, the management of magnetron power source adopts PLC mode, and management method adopts the frequent switching regulator management method similar with household microwave oven.Although this method structure is simple, is easy to realize, is applicable to traditional power frequency microwave power supply, along with magnetron power source progressively replace by Switching Power Supply, the shortcoming of PLC control mode comes out gradually.
Not only cost is high for traditional PLC way to manage, and wiring difficulty is large, and is not exclusively applicable to the management of Switching Power Supply.The management mode of frequent switch bring adverse effect also can to the life and reliability of switching mode magnetron power source, and the interpersonal interface of PLC system is too simple simultaneously, cannot realize complicated technique and draft and managing with production process informationization.
Summary of the invention
The object of the present invention is to provide a kind of multi-magnetron power supply distribution control system based on power carrier, be intended to the apparatus expensive solving traditional PLC way to manage existence, wiring is complicated, frequent switch way to manage all can have a negative impact to the life and reliability of Switching Power Supply, the interpersonal interface of PLC system is too simple, cannot realize complicated technique and draft the problem with production process informationization management.
The present invention is achieved in that a kind of multi-magnetron power supply distribution control system based on power carrier, and the described multi-magnetron power supply distribution control system based on power carrier comprises: host computer and magnetron administration module;
For monitoring the operating state of each magnetron power source, carry out the host computer of Long-distance Control;
Communicated with host computer by power carrier, be responsible for purpose monitoring and gather the magnetron administration module of the temperature of magnetron, humidity, anode current, cathode voltage, filament voltage, heater current, electromagnet current.
Further, described magnetron administration module patches on magnetron power source circuit board.
Further, described host computer comprises: display, touch-screen, keyboard, network interface, the first power line carrier module, power-supply system, processor;
Host computer adopts this scheme, supports complicated man-machine interface and multiple input medium, makes systems soft ware powerful, simple to operate, and man-machine interface is friendly, can realize complicated technical process and draft and Neural Network.Simultaneity factor also has further the ability of upwards networking, can effectively integrate with the production management system of enterprise.Significant for the workability and intelligent level that improve equipment.
Display, touch-screen, keyboard, network interface, the first power line carrier module, power-supply system are connected with processor.
Further, described magnetron administration module comprises: microprocessor, power module, temperature sensor, humidity sensor, anode current Acquisition Circuit, cathode current Acquisition Circuit, heater current voltage collection circuit, electromagnet current Acquisition Circuit, the first relay, the second relay, the second power line carrier module;
Slave computer adopts such scheme can simplify the installation process of system, improves the flexibility controlled magnetron power source, measures abundant information, for further equipment performance analysis and data mining provide the foundation simultaneously.
Microprocessor is connected with power module, temperature sensor, humidity sensor, anode current Acquisition Circuit, cathode current Acquisition Circuit, heater current voltage collection circuit, electromagnet current Acquisition Circuit, the first relay, the second relay, the second power line carrier module.
Further, described host computer and magnetron administration module pass through low voltage electric power carrier communication.
Further, described magnetron administration module also comprises biasing circuit, transducer, AD/DA and drive circuit, is controlled output and the on off state of magnetron power source by I/O mouth.
Multi-magnetron power supply distribution control system based on power carrier provided by the invention, utilize low pressure broadband power line carrier technology, operating frequency range is 1 ~ 40MHz, effectively avoids low-frequency disturbance, can realize the reliable data transmission speed that transmission range is MHz within the scope of 200 ~ 300m.The present invention can meet the needs of separate unit industrial microwave apparatus inner magnet keyholed back plate Energy control completely, without the need to independent wiring, without the need to independent wiring, just can use after only needing that main frame and each magnetron administration module are installed, simultaneously main frame and magnetron administration module relatively independent, required operation maintenance amount is also very little.Owing to adopting power line carrier, PLC mode between host computer and slave computer, bandwidth, in MB scope, can meet the data and instruction transmission needed for equipment control completely.Simultaneously because data can carry out Custom Encryption, therefore good confidentiality, system run all right.
Accompanying drawing explanation
Fig. 1 is the multi-magnetron power supply distribution control system structural representation based on power carrier that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the host computer that the embodiment of the present invention provides;
Fig. 3 is the magnetron administration module structural representation that the embodiment of the present invention provides;
Fig. 4 is the software flow figure that the embodiment of the present invention provides;
In figure: 1, host computer; 1-1, display; 1-2, touch-screen; 1-3, keyboard; 1-4, network interface; 1-5, the first power line carrier module; 1-6, power-supply system; 1-7, processor; 2, magnetron administration module; 2-1, microprocessor; 2-2, power module; 2-3, temperature sensor; 2-4, humidity sensor; 2-5, anode current Acquisition Circuit; 2-6, cathode current Acquisition Circuit; 2-7, heater current voltage collection circuit; 2-8, electromagnet current Acquisition Circuit; 2-9, the first relay; 2-10, the second relay; 2-11, the second power line carrier module.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention is made up of host computer and multiple magnetron administration module, and wherein host computer hardware comprises microprocessor and power line carrier module, and host computer can monitor the operating state of each magnetron power source, and carries out Long-distance Control.Magnetron administration module is made up of microprocessor and power line carrier module, patches on magnetron power source circuit board, is responsible for purpose monitoring and gathers the parameter such as temperature, anode current, cathode voltage, filament voltage, heater current, electromagnet current of magnetron.In addition magnetron administration module also can receive and perform the instruction that host computer passes down, controls the output of magnetron power source.This system has flexible structure, implements advantage that is easy, dependable performance, can meet the needs of multi-magnetron power supply distribution management.
Below in conjunction with accompanying drawing, structure of the present invention is explained in detail.
As shown in Figure 1, the multi-magnetron power supply distribution control system based on power carrier of the embodiment of the present invention mainly comprises: host computer 1 and magnetron administration module 2.
Host computer 1, for monitoring the operating state of each magnetron power source, and carries out Long-distance Control.
Magnetron administration module 2, communicated with host computer 1 by power carrier, magnetron administration module 2 patches on magnetron power source circuit board, is responsible for purpose monitoring and gathers the parameter such as temperature, humidity, anode current, cathode voltage, filament voltage, heater current, electromagnet current of magnetron.
As shown in Figure 2, host computer 1 mainly comprises: display 1-1, touch-screen 1-2, keyboard 1-3, network interface 1-4, the first power line carrier module 1-5, power-supply system 1-6, processor 1-7;
Display 1-1, touch-screen 1-2, keyboard 1-3, network interface 1-4, the first power line carrier module 1-5 power-supply system 1-6 are connected with processor 1-7.
As shown in Figure 3, magnetron administration module 2 mainly comprises: microprocessor 2-1, power module 2-2, temperature sensor 2-3, humidity sensor 2-4, anode current Acquisition Circuit 2-5, cathode current Acquisition Circuit 2-6, heater current voltage collection circuit 2-7, electromagnet current Acquisition Circuit 2-8, the first relay 2-9, the second relay 2-10, the second power line carrier module 2-11;
Microprocessor 2-1 is connected with power module 2-2, temperature sensor 2-3, humidity sensor 2-4, anode current Acquisition Circuit 2-5, cathode current Acquisition Circuit 2-6, heater current voltage collection circuit 2-7, electromagnet current Acquisition Circuit 2-8, the first relay 2-9, the second relay 2-10, the second power line carrier module 2-11.
Below in conjunction with accompanying drawing 1-3, operation principle of the present invention is described in detail:
As shown in Figure 1, this system is made up of host computer and multiple magnetron administration module, and wherein host computer hardware comprises processor and electric power carrier wave gateway module, and host computer can monitor the operating state of each magnetron power source, and carries out Long-distance Control to it.Magnetron administration module is made up of microprocessor and power line carrier module, patches on magnetron power source circuit board, is responsible for purpose monitoring and gathers the parameter such as temperature, anode current, cathode voltage, filament voltage, heater current, electromagnet current of magnetron; Magnetron administration module also can receive and perform the instruction that host computer passes down, controls the output of magnetron power source.Host computer is the control centre of this system, and magnetron administration module is the node of this system; Communication network between host computer and magnetron administration module low-voltage power carrier module realizes; Host computer and magnetron administration module structure chart are respectively as shown in Figure 2 and Figure 3.
In hardware implemented process, host computer processor adopts ERTEC400 processor, and this ethernet controller based on ARM9 processor, and is integrated with IRT switch function.ERTEC400 is with 4 integrated ports and an integrated pci interface simultaneously, can develop further according to the communicating requirement of networking component and field apparatus; Also support high capability flash memory, the needs that data store can be met.Host computer and all adopt DRF-2203 Power Line Carrier Communication Module with the power line carrier module in magnetron administration module; This module adopts IT800Y electric power line carrier chip, utilizes DCSK band spectrum modulation and Y-NET automatic network-building technology, achieves superpower power line communication performance, have open interface, plug and play simultaneously, realizes communicating of point to point link and Dian Dao center fast; Its data-interface is RS232/485/USB interface, data-interface baud rate can be established, debugging interface is RS232, carrier frequency is 100kHz ~ 400kHz, data transmission rate is 7.5kbps/5kbps/2.5kpbs (self adaptation), point-to-point, (many) terminal log can be realized according to the communication at center, also support self-defined networking and broadcast operation simultaneously.Microprocessor in magnetron administration module adopts PIC16F877 single-chip microcomputer.The address of magnetron administration module writes by during mcu programming, in order to the collection and magnetron power source that realize many kinds of parameters control, this module has multiple data circuit, comprise biasing circuit, transducer, AD/DA and drive circuit, the main parameter gathered comprises magnetron temperature, anode of magnetron electric current, magnetron cathode voltage, filament voltage and heater current.Meanwhile, magnetron power source administration module can also control output and the on off state of magnetron power source by its I/O mouth.
Host computer adopts Android operation system, and bottom is Linux-2.6.27 system.This operating system controls normal operation and the event handling of whole system hardware.Controlling software design bottom is an embedded web server, for storing and checking various data.
Software flow is as shown in Figure 4:
After start, first system master system software start, and the control software design then in host computer carries out System self-test.Do not complete self-inspection and namely send alarm signal, prompting user processes master system mistake.After host computer completes self-inspection, namely carry out networking with magnetron administration module.Magnetron administration module sends handshake data bag to host computer, namely postbacks communication successful data bag after host computer receives.After receiving communication successful data bag, slave computer stops sending handshake data bag.After host computer does not receive certain magnetron administration module handshake within a certain period of time, namely judge that this magnetron administration module exists communication failure, and show this information when state information shows.After completing networking, host computer can its with display on show host computer information and each magnetron administration module state information.System enters stand-by operation state.At this moment for user provides two kinds of control models, i.e. MANUAL CONTROL mode and automatic control mode.In a manual mode, user can set the current operating parameters of each magnetron, and main frame is handed down to a magnetron administration module and performs, and magnetron administration module can beam back current actual parameter for manager's reference.User can change its running parameter arranged at any time, thus changes the operating state of each magnetron.In automatic mode, host computer can be loaded into the technical papers of user's setting, and technical papers is one and comprises each magnetron running parameter and the workflow of time of implementation.After technical papers is loaded into, system can according to technical papers content, and automatically control running parameter and the operating state of each magnetron, the implementation parameter of each magnetron also can be revealed simultaneously.After user command is complete, system enters holding state again.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. based on a multi-magnetron power supply distribution control system for power carrier, it is characterized in that, the described multi-magnetron power supply distribution control system based on power carrier comprises: host computer and magnetron administration module;
For monitoring the operating state of each magnetron power source, carry out the host computer of Long-distance Control;
Communicated with host computer by power carrier, be responsible for purpose monitoring and gather the magnetron administration module of the temperature of magnetron, humidity, anode current, cathode voltage, filament voltage, heater current, electromagnet current.
2., as claimed in claim 1 based on the multi-magnetron power supply distribution control system of power carrier, it is characterized in that, described magnetron administration module patches on magnetron power source circuit board.
3., as claimed in claim 1 based on the multi-magnetron power supply distribution control system of power carrier, it is characterized in that, described host computer comprises: display, touch-screen, keyboard, network interface, the first power line carrier module, power-supply system, processor;
Described display, touch-screen, keyboard, network interface, the first power line carrier module, power-supply system are connected with processor.
Described display is positioned on host computer circuit board, is connected with processor with by display driver circuit, for showing man-machine interface and system running state;
Described touch-screen is positioned on display, is connected with processor by data wire, inputs for instruction and data;
Described keyboard is connected with processor by USB port, for the input of instruction and data;
Described network interface is positioned on host computer circuit board, is connected with processor, for host computer upwards networking;
Described first power line carrier module is positioned on host computer circuit board, is connected with processor, for passing through the networking of power carrier mode with multiple magnetron administration module;
Described power-supply system is positioned on host computer circuit board, powers for giving host computer circuit board;
Described processor is the core of host computer circuit board, for controlling each several part hardware effort, running application software, processing various instruction.
4. as claimed in claim 1 based on the multi-magnetron power supply distribution control system of power carrier, it is characterized in that, described magnetron administration module comprises: microprocessor, power module, temperature sensor, humidity sensor, anode current Acquisition Circuit, cathode current Acquisition Circuit, heater current voltage collection circuit, electromagnet current Acquisition Circuit, the first relay, the second relay, the second power line carrier module;
Described microprocessor is connected with power module, temperature sensor, humidity sensor, anode current Acquisition Circuit, cathode current Acquisition Circuit, heater current voltage collection circuit, electromagnet current Acquisition Circuit, the first relay, the second relay, the second power line carrier module.
Described microprocessor is the core of magnetron administration module, is in charge of the data acquisition of each hardware module, coding and compression, is responsible for and host computer networking simultaneously, and uploading data is lower teletype command also;
Described power module is positioned on magnetron administration module circuit board, powers for giving magnetron administration module circuit board;
Described temperature sensor is connected with magnetron administration module circuit board by wired mode, for gathering the temperature of anode of associated magnetic keyholed back plate;
Described humidity sensor is connected with magnetron administration module circuit board by wired mode, for gather associated magnetic keyholed back plate anode near humidity;
Described anode current Acquisition Circuit is positioned on magnetron administration module circuit board, for gathering the anode current that magnetron power source exports;
Described cathode voltage Acquisition Circuit is positioned on magnetron administration module circuit board, for gathering the cathode voltage that magnetron power source exports;
Described heater current voltage collection circuit is positioned on magnetron administration module circuit board, for gathering heater current and the voltage of magnetron power source output;
Described electromagnet current Acquisition Circuit is positioned on magnetron administration module circuit board, for gathering the electromagnet current that magnetron power source exports;
Described first relay is positioned on magnetron administration module circuit board, for cutting off the cathode voltage that magnetron power source exports under magnetron failure condition;
Described second relay is positioned on magnetron administration module circuit board, for opening alarm signal when magnetron unstable working condition;
Described second power line carrier module is positioned on magnetron administration module circuit board, for passing through power carrier pattern and host computer networking.
5., as claimed in claim 1 based on the multi-magnetron power supply distribution control system of power carrier, it is characterized in that, described host computer and magnetron administration module pass through low voltage electric power carrier communication.
6. as claimed in claim 1 based on the multi-magnetron power supply distribution control system of power carrier, it is characterized in that, described magnetron administration module also comprises biasing circuit, transducer, AD/DA and drive circuit, is controlled output and the on off state of magnetron power source by I/O mouth.
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| CN107102200A (en) * | 2017-04-12 | 2017-08-29 | 成都千牛信息技术有限公司 | A kind of multi-magnetron microwave heating equipment Performance Test System and method of testing |
| CN110045664A (en) * | 2019-05-21 | 2019-07-23 | 陕西青朗万城环保科技有限公司 | A kind of MW-LEP exhaust gas apparatus operating status online monitoring system and method |
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| CN113124649A (en) * | 2021-03-31 | 2021-07-16 | 北京印刷学院 | Control method and device for microwave transmitting array in microwave drying system |
| CN117250899A (en) * | 2023-10-24 | 2023-12-19 | 烟台长青微波科技有限公司 | Data acquisition instrument |
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