CN104199537A - Telecontrol serial port data displayer of transformer substation - Google Patents
Telecontrol serial port data displayer of transformer substation Download PDFInfo
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- CN104199537A CN104199537A CN201410389086.1A CN201410389086A CN104199537A CN 104199537 A CN104199537 A CN 104199537A CN 201410389086 A CN201410389086 A CN 201410389086A CN 104199537 A CN104199537 A CN 104199537A
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Abstract
The invention discloses a telecontrol serial port data displayer of a transformer substation. The telecontrol serial port data displayer comprises an asynchronous/synchronous converter and a display. The asynchronous/synchronous converter collects data of a serial bus of a detection device and sends the data to the display to be displayed. The asynchronous/synchronous converter comprises a deserializer, a latch, a serializer and a data distributor. The serializer carries out synchronous lock sampling on the serial bus of the detection device, the latch carries out vertical synchronization latching on the data sampled by the deserializer , the sampled data are separated into 12 paths of serial port data through the serializer to be output, and the data distributor allocates the 12 paths of serial port data to three serial ports and sends the 12 paths of serial port data to the display. The telecontrol serial port data displayer can display and synchronously transmit the data in time, telecontrol information synchronization fields can be conveniently checked, and fault equipment can be fast judged.
Description
Technical field
The present invention relates to equipment Inspection field, relate in particular to a kind of transformer station telemechanical serial data display instrument.
Background technology
Under present circumstances, in transformer station, serial ports telemechanical test site often cannot detect transmitted data, affect onsite troubleshooting and debugging, and in existing communication system, the distance of carrying out communication between asynchronous serial equipment is very limited, the communication of long distance completes by 2M circuit, and this also brings great inconvenience to malfunction test.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of transformer station telemechanical serial data display instrument, can show in real time, synchronous transmitting data, conveniently check telecontrol information synchronization field, failure judgement equipment fast, and there is the advantages such as volume is little, cost is low, multifunction.
For achieving the above object, the present invention takes following technical scheme:
A kind of transformer station telemechanical serial data display instrument, comprises asynchronous/synchronous converter and display, described asynchronous/synchronous converter capture and detection apparatus serial bus data, and be sent to display and show;
Described asynchronous/synchronous converter comprises deserializer, latch, parallel-to-serial converter and data distributor, described deserializer carries out synchronous clock sampling to checkout equipment universal serial bus, described latch carries out frame synchronization latch to the data of deserializer sampling, and through parallel-to-serial converter, sampled data is separated into 12 road serial data outputs, described data distributor Jiang12 road serial data is dispensed on three serial ports, is then sent to display.
Further, asynchronous/synchronous converter also comprises clock chip, described clock chip provides 2M clock signal and Slot selection signal to deserializer, described clock chip provides 8KHZ frame synchronizing signal to latch and parallel-to-serial converter, and described clock chip provides 32KHZ clock signal to parallel-to-serial converter.
Further, data distributor is connected with two or four code translators, and described two or four code translator input ends are bit0 and bit1, and described data distributor is dispensed on three serial ports according to four bit Zhi Jiang, the 12 road serial datas of two or four code translator outputs.
Further, three serial ports are connected with IMX283 main control chip universal asynchronous receiving-transmitting interface through CAN interface chip, CP2104 chip.
Further, this display instrument also comprises IMX283 main control chip, described IMX283 main control chip is connected with asynchronous/synchronous converter, capture and detection apparatus serial bus data, and checkout equipment serial bus data is sent to IMX283 main control chip universal asynchronous receiving-transmitting interface by asynchronous/synchronous converter, described IMX283 main control chip GPIC interface is connected with liquid crystal display, and the serial data gathering is shown.
Further, IMX283 main control chip is connected and realizes wireless telecommunications with 3G network interface card, and described IMX283 main control chip is connected and realizes ethernet communication with KS8995.
Further, IMX283 main control chip is connected with MAX13487 chip, SP3243 chip, realizes external serial communication.
Further, IMX283 main control chip peripheral hardware DDR, NAND FLASH, SPI FLASH and storer.
Beneficial effect: (1) the present invention is synchronously transmitted the asynchronous serial-port datas such as the checkout equipment RS232 of institute, RS485 by being converted to, and asynchronous to synchronous conversion completely by hardware, effectively avoid existing 2M circuit CPU to add software controller and realize real-time and the integrity problem that long-distance transmissions is brought.(2) the external Ethernet of IMX283 main control chip of the present invention, wireless network and serial port chip, not only support closely real-time monitored, and support remote demonstration in real time, detection.(3) chip integration of the present invention is high, and volume is little, is easy to carry.
Brief description of the drawings
Fig. 1 is transformer station provided by the invention telemechanical serial data display instrument circuit diagram.
Fig. 2 be the present invention asynchronous/synchronous converter circuit connection diagram.
Fig. 3 is data distributor circuit connection diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of transformer station provided by the invention telemechanical serial data display instrument, comprise IMX283 main control chip, described IMX283 main control chip capture and detection apparatus serial bus data, described checkout equipment serial bus data is sent to IMX283 main control chip universal asynchronous receiving-transmitting interface by asynchronous/synchronous converter by serial data, described IMX283 main control chip GPIC interface is connected with liquid crystal display, and the serial data gathering is shown.
Asynchronous/synchronous converter comprises deserializer, latch, parallel-to-serial converter and data distributor, deserializer carries out synchronous clock sampling to checkout equipment universal serial bus, latch carries out frame synchronization latch to the data of deserializer sampling, and through parallel-to-serial converter, sampled data being separated into 12 road serial data outputs, data distributor Jiang12 road serial data is dispensed on three serial ports (serial ports 1, serial ports 2 and serial ports 3).
Asynchronous/synchronous converter also comprises clock chip, clock chip provides 2M clock signal and Slot selection signal to deserializer, clock chip provides 8KHZ frame synchronizing signal to latch and parallel-to-serial converter, and clock chip provides 32KHZ clock signal to parallel-to-serial converter.
When use, the Slot selection signal that deserializer provides according to clock chip starts checkout equipment serial data to carry out synchronized sampling, deliver to latch, the clock of deserializer is 2MHZ, first sampled point of one frame in 8KHZ frame synchronizing signal more after a while, latch gets up the sampled data latch in former frame by frame synchronizing signal, come these data to be delivered to parallel-to-serial converter in next frame synchronizing signal temporarily, the clock of parallel-to-serial converter is 32KHZ, then carries out round by clock and exports 12 road serial datas.Between input and output, just produce like this switching time of a frame, on the few of impact of actual data communication.
Data distributor is connected with two or four code translators, described two or four code translator input ends are bit0 and bit1, four bit data such as " 0001 ", " 0010 " are exported in circulation successively, these bit are controlled to data distributor and carry out data allocations, described data distributor is dispensed on three serial ports according to four bit Zhi Jiang, the 12 road serial datas of two or four code translator outputs.Four bit information control laws are as follows: put to serial ports 1 for " 1 " represents Jiang Gai road serial data for first; Second is put to serial ports 2 for " 1 " represents Jiang Gai road serial data; For representing Jiang Gai road serial data, " 1 " puts to serial ports 3 for the 3rd; For representing, " 1 " this circuit-switched data is not put to any serial ports for the 4th.
Three serial ports are connected with IMX283 main control chip universal asynchronous receiving-transmitting interface through CAN interface chip, CP2104 chip.CP2104 is that the integrated USB of a kind of height turns UART bridge controller, and it provides a kind of simple solution for RS-232/RS-485 design is upgraded to USB, only uses minimum assembly and PCB space can reach object.
IMX283 main control chip is connected and realizes wireless telecommunications with 3G network interface card, and described IMX283 main control chip is connected and realizes ethernet communication with KS8995.IMX283 main control chip is connected with MAX13487 chip, SP3243 chip, realizes external serial communication.Not only support closely real-time monitored, and support remote demonstration in real time, detection.IMX283 main control chip peripheral hardware DDR, NAND FLASH, SPI FLASH and storer, be convenient to carry out data storage.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. transformer station's telemechanical serial data display instrument, is characterized in that: comprise asynchronous/synchronous converter and display, described asynchronous/synchronous converter capture and detection apparatus serial bus data, and be sent to display and show;
Described asynchronous/synchronous converter comprises deserializer, latch, parallel-to-serial converter and data distributor, described deserializer carries out synchronous clock sampling to checkout equipment universal serial bus, described latch carries out frame synchronization latch to the data of deserializer sampling, and through parallel-to-serial converter, sampled data is separated into 12 road serial data outputs, described data distributor Jiang12 road serial data is dispensed on three serial ports, is then sent to display.
2. a kind of transformer station according to claim 1 telemechanical serial data display instrument, it is characterized in that: described asynchronous/synchronous converter also comprises clock chip, described clock chip provides 2M clock signal and Slot selection signal to deserializer, described clock chip provides 8KHZ frame synchronizing signal to latch and parallel-to-serial converter, and described clock chip provides 32KHZ clock signal to parallel-to-serial converter.
3. a kind of transformer station according to claim 1 telemechanical serial data display instrument, it is characterized in that: described data distributor is connected with two or four code translators, described two or four code translator input ends are bit0 and bit1, and described data distributor is dispensed on three serial ports according to four bit Zhi Jiang, the 12 road serial datas of two or four code translator outputs.
4. a kind of transformer station according to claim 1 telemechanical serial data display instrument, is characterized in that: described three serial ports are connected with IMX283 main control chip universal asynchronous receiving-transmitting interface through CAN interface chip, CP2104 chip.
5. a kind of transformer station according to claim 1 telemechanical serial data display instrument, it is characterized in that: this display instrument also comprises IMX283 main control chip, described IMX283 main control chip is connected with asynchronous/synchronous converter, capture and detection apparatus serial bus data, and checkout equipment serial bus data is sent to IMX283 main control chip universal asynchronous receiving-transmitting interface by asynchronous/synchronous converter, described IMX283 main control chip GPIC interface is connected with liquid crystal display, and the serial data gathering is shown.
6. a kind of transformer station according to claim 5 telemechanical serial data display instrument, is characterized in that: described IMX283 main control chip is connected and realizes wireless telecommunications with 3G network interface card, and described IMX283 main control chip is connected and realizes ethernet communication with KS8995.
7. a kind of transformer station according to claim 5 telemechanical serial data display instrument, is characterized in that: described IMX283 main control chip is connected with MAX13487 chip, SP3243 chip, realizes external serial communication.
8. a kind of transformer station according to claim 5 telemechanical serial data display instrument, is characterized in that: described IMX283 main control chip peripheral hardware DDR, NAND FLASH, SPI FLASH and storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389086.1A CN104199537A (en) | 2014-08-08 | 2014-08-08 | Telecontrol serial port data displayer of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389086.1A CN104199537A (en) | 2014-08-08 | 2014-08-08 | Telecontrol serial port data displayer of transformer substation |
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| CN104199537A true CN104199537A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410389086.1A Pending CN104199537A (en) | 2014-08-08 | 2014-08-08 | Telecontrol serial port data displayer of transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253796A (en) * | 2021-07-01 | 2021-08-13 | 北京智芯微电子科技有限公司 | Asynchronous input signal synchronization method and device, central processing unit and chip |
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| US20030189503A1 (en) * | 2002-04-03 | 2003-10-09 | Samsung Electronics Co., Ltd. | Serializer-deserializer circuit having increased margins for setup and hold time |
| US20040096013A1 (en) * | 2002-11-18 | 2004-05-20 | Laturell Donald R. | Clock and data recovery with extended integration cycles |
| CN1538690A (en) * | 2003-04-15 | 2004-10-20 | ����ͨѶ�ɷ�����˾ | Method of transmitting asychronous linking data and its performance device |
| US20050069031A1 (en) * | 2003-09-25 | 2005-03-31 | Sunter Stephen K. | Circuit and method for measuring jitter of high speed signals |
| CN101261297A (en) * | 2008-04-17 | 2008-09-10 | 沈阳工业大学 | Electric power transformer windings parameter on-line real-time identification device and method |
| CN204102134U (en) * | 2014-08-08 | 2015-01-14 | 国家电网公司 | Transformer station's telemechanical serial data display instrument |
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2014
- 2014-08-08 CN CN201410389086.1A patent/CN104199537A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030189503A1 (en) * | 2002-04-03 | 2003-10-09 | Samsung Electronics Co., Ltd. | Serializer-deserializer circuit having increased margins for setup and hold time |
| US20040096013A1 (en) * | 2002-11-18 | 2004-05-20 | Laturell Donald R. | Clock and data recovery with extended integration cycles |
| CN1538690A (en) * | 2003-04-15 | 2004-10-20 | ����ͨѶ�ɷ�����˾ | Method of transmitting asychronous linking data and its performance device |
| US20050069031A1 (en) * | 2003-09-25 | 2005-03-31 | Sunter Stephen K. | Circuit and method for measuring jitter of high speed signals |
| CN101261297A (en) * | 2008-04-17 | 2008-09-10 | 沈阳工业大学 | Electric power transformer windings parameter on-line real-time identification device and method |
| CN204102134U (en) * | 2014-08-08 | 2015-01-14 | 国家电网公司 | Transformer station's telemechanical serial data display instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253796A (en) * | 2021-07-01 | 2021-08-13 | 北京智芯微电子科技有限公司 | Asynchronous input signal synchronization method and device, central processing unit and chip |
| CN113253796B (en) * | 2021-07-01 | 2021-10-08 | 北京智芯微电子科技有限公司 | Asynchronous input signal synchronization method and device, central processing unit and chip |
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Application publication date: 20141210 |