CN216351876U - Control device of digital relay protection instrument - Google Patents
Control device of digital relay protection instrument Download PDFInfo
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- CN216351876U CN216351876U CN202123016290.3U CN202123016290U CN216351876U CN 216351876 U CN216351876 U CN 216351876U CN 202123016290 U CN202123016290 U CN 202123016290U CN 216351876 U CN216351876 U CN 216351876U
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- relay protection
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- digital relay
- protection instrument
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Abstract
The utility model discloses a control device of a digital relay protection instrument, which comprises a back plate, wherein parts integrated on the back plate comprise a first FPGA module, a second FPGA module, an ARM processor, a DSP processor, a data transmission module and a connector; the first FPGA module is respectively connected with the second PFGA module and the data transmission module; the data transmission module is connected with a connector, and the connector is used for being accessed by external equipment so as to realize signal transmission between the control device and the external equipment; and the second FPGA module is respectively connected with the ARM processor and the DSP processor. The utility model integrates two FPGAs, an ARM processor, a DSP processor and various data transmission modules, has higher integration level, can provide abundant signal input and output channels, and is convenient for the digital relay protection instrument to carry out test work.
Description
Technical Field
The utility model relates to a digital relay protection instrument, in particular to a control device of the digital relay protection instrument.
Background
The digital relay protection instrument is an important testing tool for ensuring the safe and reliable operation of a power system, has a very obvious effect when a circuit system is detected, and takes the functions of control, operation, data processing and the like in the digital relay protection instrument as an important component of the digital relay protection instrument. However, the integration degree of the control device is low at present, and there are many disadvantages in the process of completing the test.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a control device of a digital relay protection instrument, which integrates two FPGAs, an ARM processor, a DSP processor and various data transmission modules, has higher integration level, can provide abundant signal input and output channels and is convenient for the digital relay protection instrument to carry out test work.
The purpose of the utility model is realized by the following technical scheme: the device comprises a back plate, wherein parts integrated on the back plate comprise a first FPGA module, a second FPGA module, an ARM processor, a DSP processor, a data transmission module and a connector;
the first FPGA module is respectively connected with the second PFGA module and the data transmission module; the data transmission module is connected with a connector, and the connector is used for being accessed by external equipment so as to realize signal transmission between the control device and the external equipment; and the second FPGA module is respectively connected with the ARM processor and the DSP processor.
The power supply bus is integrated in the back plate, the power supply interface used for being connected with an external power supply is further arranged on the back plate, and the power supply bus is respectively connected with the power supply interface and each bus integrated on the back plate.
The utility model has the beneficial effects that: the utility model integrates two FPGAs, an ARM processor, a DSP processor and various data transmission modules, has higher integration level, can provide abundant signal input and output channels, and is convenient for the digital relay protection instrument to carry out test work; and power is supplied through a power bus arranged in the back plate, so that the wiring complexity is reduced.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a control device of a digital relay protection instrument is characterized in that: the device comprises a back plate, wherein parts integrated on the back plate comprise a first FPGA module, a second FPGA module, an ARM processor, a DSP processor, a data transmission module and a connector;
the first FPGA module is respectively connected with the second PFGA module and the data transmission module; the data transmission module is connected with a connector, and the connector is used for being accessed by external equipment so as to realize signal transmission between the control device and the external equipment; and the second FPGA module is respectively connected with the ARM processor and the DSP processor.
In the embodiments of the present application, when the components are connected as described above, it is necessary to use a data bus and a control bus integrated in the backplane, and each of the connections includes a connection through the control bus and a connection through the data bus.
In an embodiment of the present application, the connector is a standard CPCI connector. The data transmission module comprises an AD conversion unit, a DA conversion unit, an I/O communication unit, an RS485 communication unit, an LVDS communication unit and a USB communication unit; the AD conversion unit, the DA conversion unit, the I/O communication unit, the RS485 communication unit, the LVDS communication unit and the USB communication unit all comprise a plurality of data channels.
In an embodiment of the present application, the integrated component on the backplane further includes two DDR4 caches, wherein one DDR4 cache is connected to the first FPGA module, and the other DDR4 cache is connected to the second FPGA module. The integrated components on the backboard also comprise a Flash memory connected with the DSP processor. The integrated components on the backplane also include a debug interface connected to the ARM processor.
The power supply bus is integrated in the back plate, the power supply interface used for being connected with an external power supply is further arranged on the back plate, and the power supply bus is respectively connected with the power supply interface and each bus integrated on the back plate.
In the embodiment of the application, the first FPGA module is mainly responsible for interaction with external equipment through the data transmission module and the connector, and mutually transmits data or control instructions with the second FPGA module according to interaction information; the second FPGA module is used as a control core, cooperates with an ARM processor and a DSP processor to complete control or signal processing work, each part cooperates with the outside in a labor division manner, and has strong data processing capacity.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A control device of a digital relay protection instrument is characterized in that: the device comprises a back plate, wherein parts integrated on the back plate comprise a first FPGA module, a second FPGA module, an ARM processor, a DSP processor, a data transmission module and a connector;
the first FPGA module is respectively connected with the second PFGA module and the data transmission module; the data transmission module is connected with a connector, and the connector is used for being accessed by external equipment so as to realize signal transmission between the control device and the external equipment; and the second FPGA module is respectively connected with the ARM processor and the DSP processor.
2. The control device of the digital relay protection instrument according to claim 1, wherein: the connector is a standard CPCI connector.
3. The control device of the digital relay protection instrument according to claim 1, wherein: the data transmission module comprises an AD conversion unit, a DA conversion unit, an I/O communication unit, an RS485 communication unit, an LVDS communication unit and a USB communication unit.
4. The control device of the digital relay protection instrument according to claim 1, wherein: the integrated component on the backplane further comprises two DDR4 caches, wherein one DDR4 cache is connected with the first FPGA module, and the other DDR4 cache is connected with the second FPGA module.
5. The control device of the digital relay protection instrument according to claim 1, wherein: the integrated components on the backboard also comprise a Flash memory connected with the DSP processor.
6. The control device of the digital relay protection instrument according to claim 1, wherein: the integrated components on the backplane also include a debug interface connected to the ARM processor.
7. The control device of the digital relay protection instrument according to claim 1, wherein: the power supply bus is integrated in the back plate, the power supply interface used for being connected with an external power supply is further arranged on the back plate, and the power supply bus is respectively connected with the power supply interface and each bus integrated on the back plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123016290.3U CN216351876U (en) | 2021-12-03 | 2021-12-03 | Control device of digital relay protection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123016290.3U CN216351876U (en) | 2021-12-03 | 2021-12-03 | Control device of digital relay protection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216351876U true CN216351876U (en) | 2022-04-19 |
Family
ID=81158613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123016290.3U Active CN216351876U (en) | 2021-12-03 | 2021-12-03 | Control device of digital relay protection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216351876U (en) |
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2021
- 2021-12-03 CN CN202123016290.3U patent/CN216351876U/en active Active
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