CN211427324U - Data virtual printing assembly of converter station protection device - Google Patents
Data virtual printing assembly of converter station protection device Download PDFInfo
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- CN211427324U CN211427324U CN201922253545.4U CN201922253545U CN211427324U CN 211427324 U CN211427324 U CN 211427324U CN 201922253545 U CN201922253545 U CN 201922253545U CN 211427324 U CN211427324 U CN 211427324U
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Abstract
The utility model discloses a virtual subassembly of printing of converter station protection device's data, include: the converter station protection device comprises a converter station protection device host, an ARM processor which is in serial communication connection with the converter station protection device host through an RS serial interface, an embedded flash memory chip which is in communication connection with the ARM processor, and a USB interface which is in communication connection with the ARM processor. The utility model provides a virtual subassembly of printing of converter station protection device's data can directly acquire protection report, the definite value report data of originally transmitting for the converter station protection device of stylus printer from converter station protection device to change this data into predetermined format, for example the PDF document, thereby avoided the above-mentioned shortcoming that prior art's stylus printer brought, for example speed is slow, consumptive material with high costs, shortcoming such as mechanical failure rate height.
Description
Technical Field
The utility model relates to a converter station protection device technical field specifically relates to a virtual subassembly of printing of converter station protection device's data.
Background
In the prior art, a converter station protection device in a power grid system is in communication connection with a traditional stylus printer, maintenance personnel obtain information such as a protection report and a fixed value report of the converter station protection device through the stylus printer, and the maintenance personnel analyze and archive various parameter data. The maintenance personnel start the printing function on the protection device, the protection device transmits the printing data and the printing instruction to the stylus printer, and the stylus printer completes the printing of the data.
However, the data reporting output mode of such existing converter station protection devices has significant drawbacks. First, the stylus printer has a slow printing speed and requires special paper consumables. In the process of handling the field accident, most of time of maintenance personnel is consumed on waiting for a stylus printer to output a protection report and a fixed value report, when the problems of insufficient printer paper and the like are met, spare paper needs to be searched everywhere and then manually supplemented, and the time cost is higher. Secondly, the stylus printer with a mechanical structure is easy to have printing faults, and the printing faults need to be processed, otherwise, a protection report and a fixed value report cannot be obtained, and the factors are very unfavorable for accident processing work which takes seconds for minutes.
Therefore, there is a need to provide a data virtual printing component of a converter station protection device to overcome the above-mentioned disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a virtual subassembly of printing of converter station protection device's data, it can directly acquire protection report, the definite value report data of the converter station protection device who originally transmits for pin printer from converter station protection device to change this data into predetermined format, for example the PDF document, thereby avoided the above-mentioned shortcoming that prior art pin printer brought, for example speed is slow, consumptive material cost is high, shortcoming such as mechanical failure rate height.
A data virtual print assembly of a converter station protection device, comprising: the converter station protection device comprises a converter station protection device host, an ARM processor which is in serial communication connection with the converter station protection device host through an RS serial interface, an embedded flash memory chip which is in communication connection with the ARM processor, and a USB interface which is in communication connection with the ARM processor.
The ARM processor acquires printing information (information such as a protection report and a fixed value report of the converter station protection device) originally output to the stylus printer by the converter station protection device host through the RS serial interface, decodes the output printing information according to an ESC/P instruction set to restore printing contents, and finally outputs an electronic printing document in a PDF format for analysis and storage by maintenance personnel, so that the aims of replacing a traditional stylus printer and improving the printing speed and the printing reliability are fulfilled.
Here, the ARM processor may store the finally output electronic print document in the PDF format in the embedded flash memory chip, and then, the maintenance person may insert an external mobile storage device, such as a USB disk or a flash disk, into the USB interface communicatively connected to the embedded flash memory chip, thereby saving the electronic print document in the PDF format in the external mobile storage device.
The utility model provides a virtual subassembly of printing of converter station protection device's data can directly acquire protection report, the definite value report data of originally transmitting for the converter station protection device of stylus printer from converter station protection device to change this data into predetermined format, for example the PDF document, thereby avoided the above-mentioned shortcoming that prior art's stylus printer brought, for example speed is slow, consumptive material with high costs, shortcoming such as mechanical failure rate height.
Preferably, the converter station protection device host is an x-architecture microcomputer with the RS serial interface, and the analog stylus printer receives the printing instruction and the printing data of the protection device.
And the ARM processor opens an RS serial interface of the x-architecture microcomputer, sets the baud rate of the RS serial interface to be 115200bps, then circularly waits for the microcomputer to send the electronic printing document in the PDF format, and stores the document in the embedded flash memory chip.
Preferably, the number of the USB interfaces is 2. So as to allow different users to simultaneously copy the PDF formatted electronic print document.
Preferably, the number of the embedded flash memory chips is 2, so as to increase the storage capacity, and the embedded flash memory chips can store data such as protection reports and fixed value reports generated by a plurality of converter station protection devices.
Preferably, the embedded flash memory chip is a mini SD card.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a data virtual print component of a converter station protection apparatus in an embodiment.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
According to the utility model discloses an embodiment, the virtual printing subassembly of data 100 of a converter station protection device includes: the converter station protection device comprises a converter station protection device host 10, an ARM processor 20 which is in serial communication connection with the converter station protection device host 10 through an RS232 serial interface 12, an embedded flash memory chip 22 which is in communication connection with the ARM processor 20, and a USB interface 24 which is in communication connection with the ARM processor 20.
The ARM processor 20 obtains the printing information (information such as a protection report and a fixed value report of the converter station protection device) originally output by the converter station protection device host 10 to a stylus printer (not shown) through the RS232 serial interface 12, decodes the output printing information according to an ESC/P instruction set to restore the printing content, and finally outputs an electronic printing document in a PDF format for analysis and storage by a maintainer, so that the aims of replacing the conventional stylus printer and improving the printing speed and the printing reliability are fulfilled.
Here, the ARM processor 20 may store the finally output electronic printed document in the PDF format in the embedded flash memory chip 22, and then, a maintenance person may insert an external mobile storage device, such as a USB disk or a flash disk, into the USB interface 24 communicatively connected to the embedded flash memory chip 22, thereby saving the electronic printed document in the PDF format into the external mobile storage device.
The utility model provides a virtual subassembly of printing of converter station protection device's data can directly acquire protection report, the definite value report data of originally transmitting for the converter station protection device of stylus printer from converter station protection device to change this data into predetermined format, for example the PDF document, thereby avoided the above-mentioned shortcoming that prior art's stylus printer brought, for example speed is slow, consumptive material with high costs, shortcoming such as mechanical failure rate height.
Preferably, the converter station protection device host 10 is a microcomputer with an x86 architecture, and is provided with the RS232 serial interface, so as to enable the analog stylus printer to receive the printing instruction and the printing data of the protection device.
The ARM processor 20 opens the RS232 serial interface of the x 86-based microcomputer, sets the baud rate of the RS232 serial interface to 115200bps, then waits for the microcomputer to send an electronic print document in the PDF format in a circulating manner, and stores the document in the embedded flash memory chip 22.
The ARM processor 20 decodes according to the ESC/P instruction set pair. Firstly, recognizing a printing instruction (such as font setting, line feed, intermediate, etc.) to determine how the printing data is displayed on the PDF (i.e. printing format), then outputting the printing data content according to the printing format, and finally saving the printing data content in the PDF format as a storage location in the embedded flash memory chip 22, which is set by a maintenance person.
Preferably, the number of the USB interfaces 24 is 2. So as to allow different users to simultaneously copy the PDF formatted electronic print document.
Preferably, the number of the embedded flash memory chips 22 is 2, so as to increase the storage capacity, and the embedded flash memory chips can store data such as protection reports and fixed value reports generated by a plurality of converter station protection devices.
Preferably, the embedded flash memory chip 22 is a mini SD card.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A data virtual printing assembly of a converter station protection device, comprising: the converter station protection device comprises a converter station protection device host, an ARM processor which is in serial communication connection with the converter station protection device host through an RS232 serial interface, an embedded flash memory chip which is in communication connection with the ARM processor, and a USB interface which is in communication connection with the ARM processor.
2. The virtual printing assembly for the data of the converter station protection device according to claim 1, wherein the converter station protection device host is an x-architecture microcomputer with the RS232 serial interface.
3. The virtual printing assembly of data of a converter station protection device according to claim 2, wherein the number of the USB interfaces is 2.
4. The virtual printing assembly of data of the converter station protection device according to claim 3, wherein the number of the embedded flash memory chips is 2.
5. The virtual printing assembly of data of the converter station protection device according to claim 4, wherein the embedded flash memory chip is a mini SD card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922253545.4U CN211427324U (en) | 2019-12-16 | 2019-12-16 | Data virtual printing assembly of converter station protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922253545.4U CN211427324U (en) | 2019-12-16 | 2019-12-16 | Data virtual printing assembly of converter station protection device |
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| CN211427324U true CN211427324U (en) | 2020-09-04 |
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| CN201922253545.4U Active CN211427324U (en) | 2019-12-16 | 2019-12-16 | Data virtual printing assembly of converter station protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130785A (en) * | 2020-10-10 | 2020-12-25 | 国网新疆电力有限公司昌吉供电公司 | Digital printing method and device for relay protection device |
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2019
- 2019-12-16 CN CN201922253545.4U patent/CN211427324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130785A (en) * | 2020-10-10 | 2020-12-25 | 国网新疆电力有限公司昌吉供电公司 | Digital printing method and device for relay protection device |
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