CN112363423A - Control interface card for ferrite electric control device - Google Patents
Control interface card for ferrite electric control device Download PDFInfo
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- CN112363423A CN112363423A CN202011088393.8A CN202011088393A CN112363423A CN 112363423 A CN112363423 A CN 112363423A CN 202011088393 A CN202011088393 A CN 202011088393A CN 112363423 A CN112363423 A CN 112363423A
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- ferrite
- control
- interface card
- programmable logic
- control device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
One embodiment of the invention discloses a control interface card for a ferrite electronic control device, which comprises: the system comprises a microcontroller, a programmable logic device, an active crystal oscillator, a first bus transceiver, a liquid crystal display screen, a differential line driver, a second bus transceiver, a double-low-side driver and a dial switch. The invention takes the microcontroller and the programmable logic device as communication and control cores, displays control signal data information and detection signal sampling results through the liquid crystal display screen, realizes the control of the ferrite electric control device, solves the problems that the traditional control interface card of the ferrite electric control device has single function, is not friendly enough in interface, has low detection signal sampling precision and can not realize the control of the ferrite electric control device independently off line, and enriches the functions of the control interface card.
Description
Technical Field
The invention relates to the technical field of control interface cards, in particular to a control interface card for a ferrite electronic control device.
Background
The ferrite electric control device generally comprises a ferrite phase shifter and a ferrite switch, wherein the ferrite phase shifter is mainly applied to a phased array radar, changes the phase shift of a microwave signal when a phased array antenna scans and realizes the electric scanning of a wave beam in space; the ferrite switch is mainly applied to a microwave channel, and realizes the function of switching the microwave channel by changing a microwave signal transmission path. The ferrite phase shifter and the ferrite switch both belong to microwave electric control devices, and need to be externally applied with control signals to change the working state of the ferrite phase shifter or the ferrite switch, and the external control signals of the ferrite phase shifter and the ferrite switch are various and can be differential RS422, TTL digital level or analog.
The traditional control interface card of the ferrite electric control device consists of a USB interface chip, a memory, a bus transceiver and the like, key information such as control information, detection data and the like cannot be displayed at any time, meanwhile, the traditional control interface card of the ferrite electric control device and a computer form a closed test system, the sampling of detection signals is realized by the USB interface chip and software, the sampling precision is relatively low, the control of the ferrite electric control device cannot be realized by separating from the computer, and the application range is limited to a certain extent.
Disclosure of Invention
Therefore, the invention provides a control interface card for a ferrite electronic control device, aiming at the problems, and solving the problems that the traditional control interface card for the ferrite electronic control device has single function, is not friendly enough in interface, has low sampling precision of detection signals, and cannot independently realize the control of the ferrite electronic control device in an off-line manner.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a control interface card for a ferrite electric control device, which comprises: the system comprises a microcontroller, a programmable logic device, an active crystal oscillator, a first bus transceiver, a liquid crystal display screen, a differential line driver, a second bus transceiver, a double-low-side driver and a dial switch;
wherein the content of the first and second substances,
the output end of the dial switch is connected with the input end of the microcontroller;
the output end of the microcontroller is connected with the control input end of the programmable logic controller;
the first output end of the programmable logic device is connected with the input end of the first bus transceiver;
the output end of the first bus transceiver is connected with the input end of the liquid crystal display screen;
the second output end of the programmable logic device is connected with the input end of the differential line driver;
the third output end of the programmable logic device is connected with the input end of the second bus transceiver;
the fourth output end of the programmable logic device is connected with the input ends of the double low-side drivers;
the output end of the active crystal oscillator is connected with the clock input end of the programmable logic device;
the control interface card realizes an interface with the ferrite electric control device through 3 output interface chips of a differential line driver, a second bus transceiver and a double-low-side driver.
In one embodiment, the dial switch is capable of controlling the microcontroller to operate in either an online mode of operation or an offline mode of operation.
In one embodiment, when the dial switch is connected to a high level, the control interface card works in an online working mode;
at the moment, the microcontroller is communicated with a computer through a USB bus or an RS232 bus, receives computer control word information and generates logic time sequence required by the work of the ferrite electric control device and data information content required to be displayed.
In one embodiment, when the dial switch is connected to a low level, the interface card is controlled to work in an offline working mode;
at the moment, the logic time sequence required by the operation of the ferrite electric control device and the data information content required to be displayed are generated in the microcontroller, and the ferrite electric control device is independently controlled without depending on a computer.
In a specific embodiment, the microcontroller outputs the logic time sequence required by the operation of the ferrite electric control device and the data information content required to be displayed to the programmable logic controller;
the data information to be displayed is driven by the programmable logic device and the first bus transceiver and then displayed on the liquid crystal display screen;
the logic time sequence required by the operation of the ferrite control electric control device is respectively output to the differential driver, the second bus transceiver and the double-low-side driver by the programmable logic device, and a TTL level digital control signal, an RS422 differential control signal and an analog control signal are respectively output so as to meet the requirements of the ferrite electric control devices with different types of interfaces and realize the control of the corresponding ferrite electric control devices.
In a specific embodiment, the detection signal returned by the ferrite electronic control device is sampled by the active crystal oscillator inside the programmable logic device, and then the sampling result is displayed on the liquid crystal display screen.
In a specific embodiment, the frequency of the active crystal oscillator determines the sampling accuracy of the detection signal.
The invention has the following beneficial effects:
the invention takes the microcontroller and the programmable logic device as communication and control cores, displays control signal data information and detection signal sampling results through the liquid crystal display screen, realizes the control of the ferrite electric control device, solves the problems that the traditional control interface card of the ferrite electric control device has single function, is not friendly enough in interface, has low detection signal sampling precision and can not realize the control of the ferrite electric control device independently off line, and enriches the functions of the control interface card.
Drawings
In order to more clearly illustrate the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are one embodiment of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram illustrating a control interface card for a ferrite electronic control device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. The present invention will be described in detail with reference to specific examples, but the present invention is not limited to these examples. Variations and modifications may be made by those skilled in the art without departing from the principles of the invention and should be considered within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a control interface card for a ferrite electronic control device according to an embodiment of the present invention.
As shown in fig. 1, the control interface card for a ferrite electronic control device according to the present invention includes: the system comprises a microcontroller 1, a programmable logic unit 2, an active crystal oscillator 3, a first bus transceiver 4, a liquid crystal display screen 5, a differential line driver 6, a second bus transceiver 7, a double low-side driver 8 and a dial switch 9;
the output end of the dial switch is connected with the input end of the microcontroller;
the output end of the microcontroller is connected with the control input end of the programmable logic controller;
the first output end of the programmable logic device is connected with the input end of the first bus transceiver;
the output end of the first bus transceiver is connected with the input end of the liquid crystal display screen;
the second output end of the programmable logic device is connected with the input end of the differential line driver;
the third output end of the programmable logic device is connected with the input end of the second bus transceiver;
the fourth output end of the programmable logic device is connected with the input ends of the double low-side drivers;
the output end of the active crystal oscillator is connected with the clock input end of the programmable logic device.
The control interface card realizes an interface with the ferrite electric control device through 3 output interface chips of a differential line driver, a second bus transceiver and a double-low-side driver.
The dial switch can control the microcontroller to work in an online working mode or an offline working mode;
when the dial switch is connected with a high level, the interface card is controlled to work in an online working mode;
at the moment, the microcontroller is communicated with a computer through a USB bus or an RS232 bus, receives computer control word information and generates logic time sequence required by the work of the ferrite electric control device and data information content required to be displayed.
When the dial switch is connected with a low level, the interface card is controlled to work in an offline working mode;
at the moment, the logic time sequence required by the operation of the ferrite electric control device and the data information content required to be displayed are generated in the microcontroller, and the ferrite electric control device is independently controlled without depending on a computer.
Under any one of the working modes, the microcontroller outputs the logic time sequence required by the operation of the ferrite electric control device and the data information content required to be displayed to the programmable logic controller;
the data information to be displayed is driven by the programmable logic device and the first bus transceiver and then displayed on the liquid crystal display screen;
the logic time sequence required by the operation of the ferrite control electric control device is respectively output to the differential driver, the second bus transceiver and the double-low-side driver by the programmable logic device, and a TTL level digital control signal, an RS422 differential control signal and an analog control signal are respectively output so as to meet the requirements of the ferrite electric control devices with different types of interfaces and realize the control of the corresponding ferrite electric control devices.
And the detection signal returned by the ferrite electric control device is sampled by the active crystal oscillator in the programmable logic device, and then the sampling result is displayed on the liquid crystal display screen.
The frequency of the active crystal oscillator determines the sampling accuracy of the detection signal. The pulse width of the returned detection signal is different for different types of ferrite electric control devices.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (7)
1. A control interface card for a ferrite electronic control device, the control interface card comprising: the system comprises a microcontroller, a programmable logic device, an active crystal oscillator, a first bus transceiver, a liquid crystal display screen, a differential line driver, a second bus transceiver, a double-low-side driver and a dial switch;
wherein the content of the first and second substances,
the output end of the dial switch is connected with the input end of the microcontroller;
the output end of the microcontroller is connected with the control input end of the programmable logic controller;
the first output end of the programmable logic device is connected with the input end of the first bus transceiver;
the output end of the first bus transceiver is connected with the input end of the liquid crystal display screen;
the second output end of the programmable logic device is connected with the input end of the differential line driver;
the third output end of the programmable logic device is connected with the input end of the second bus transceiver;
the fourth output end of the programmable logic device is connected with the input ends of the double low-side drivers;
the output end of the active crystal oscillator is connected with the clock input end of the programmable logic device;
the control interface card realizes an interface with the ferrite electric control device through 3 output interface chips of a differential line driver, a second bus transceiver and a double-low-side driver.
2. The control interface card of claim 1, wherein the dip switch is capable of controlling the microcontroller to operate in either an online mode of operation or an offline mode of operation.
3. The control interface card of claim 2, wherein when said dip switch is high, the control interface card operates in an on-line mode of operation;
at the moment, the microcontroller is communicated with a computer through a USB bus or an RS232 bus, receives computer control word information and generates logic time sequence required by the work of the ferrite electric control device and data information content required to be displayed.
4. The control interface card of claim 2, wherein when said dip switch is low, the control interface card operates in an offline mode of operation;
at the moment, the logic time sequence required by the operation of the ferrite electric control device and the data information content required to be displayed are generated in the microcontroller, and the ferrite electric control device is independently controlled without depending on a computer.
5. A control interface card according to any of claims 3-4, wherein the microcontroller outputs the logic sequence required for the operation of the ferrite electronic control device and the data information content to be displayed to the programmable logic controller;
the data information to be displayed is driven by the programmable logic device and the first bus transceiver and then displayed on the liquid crystal display screen;
the logic time sequence required by the operation of the ferrite control electric control device is respectively output to the differential driver, the second bus transceiver and the double-low-side driver by the programmable logic device, and a TTL level digital control signal, an RS422 differential control signal and an analog control signal are respectively output so as to meet the requirements of the ferrite electric control devices with different types of interfaces and realize the control of the corresponding ferrite electric control devices.
6. The control interface card of claim 5, wherein the sensing signal returned by the ferrite electronic control device is sampled by said active crystal oscillator inside said programmable logic device, and the result of the sampling is then displayed on said liquid crystal display.
7. A control interface card according to claim 6, characterised in that the frequency of said active crystal oscillator determines the sampling accuracy of the detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088393.8A CN112363423A (en) | 2020-10-13 | 2020-10-13 | Control interface card for ferrite electric control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088393.8A CN112363423A (en) | 2020-10-13 | 2020-10-13 | Control interface card for ferrite electric control device |
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| Publication Number | Publication Date |
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| CN112363423A true CN112363423A (en) | 2021-02-12 |
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| CN202011088393.8A Pending CN112363423A (en) | 2020-10-13 | 2020-10-13 | Control interface card for ferrite electric control device |
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Citations (5)
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|---|---|---|---|---|
| CN101493438A (en) * | 2009-02-18 | 2009-07-29 | 宁波工程学院 | Phased array ultrasonic detection, data acquisition and process device |
| CN107272483A (en) * | 2017-06-14 | 2017-10-20 | 安徽四创电子股份有限公司 | A kind of dual-machine redundancy backup radar receives SECO plate and its method of work |
| CN207318999U (en) * | 2017-09-28 | 2018-05-04 | 国营芜湖机械厂 | Multibus communication card circuit based on PCI9054 |
| US20180217574A1 (en) * | 2017-01-27 | 2018-08-02 | Fanuc Corporation | Numerical controller |
| CN110244630A (en) * | 2019-06-21 | 2019-09-17 | 深圳市三旺通信股份有限公司 | Serial server based on programmable logic device online acquisition serial interface signal |
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2020
- 2020-10-13 CN CN202011088393.8A patent/CN112363423A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493438A (en) * | 2009-02-18 | 2009-07-29 | 宁波工程学院 | Phased array ultrasonic detection, data acquisition and process device |
| US20180217574A1 (en) * | 2017-01-27 | 2018-08-02 | Fanuc Corporation | Numerical controller |
| CN107272483A (en) * | 2017-06-14 | 2017-10-20 | 安徽四创电子股份有限公司 | A kind of dual-machine redundancy backup radar receives SECO plate and its method of work |
| CN207318999U (en) * | 2017-09-28 | 2018-05-04 | 国营芜湖机械厂 | Multibus communication card circuit based on PCI9054 |
| CN110244630A (en) * | 2019-06-21 | 2019-09-17 | 深圳市三旺通信股份有限公司 | Serial server based on programmable logic device online acquisition serial interface signal |
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Application publication date: 20210212 |
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